docs: List release versions for each function, add unreleased label (#1868)

Signed-off-by: Dave Henderson <dhenderson@gmail.com>

22 files changed, 248 insertions, 0 deletions

diff --git a/docs-src/content/functions/aws.yml b/docs-src/content/functions/aws.yml
index c980ff25..749397c3 100644
--- a/docs-src/content/functions/aws.yml
+++ b/docs-src/content/functions/aws.yml
@@ -20,6 +20,7 @@ preamble: |
 funcs:
   - name: aws.EC2Meta
     alias: ec2meta
+    released: v1.8.0
     description: |
       Queries AWS [EC2 Instance Metadata](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html) for information. This only retrieves data in the `meta-data` path -- for data in the `dynamic` path use `aws.EC2Dynamic`.
 
@@ -38,6 +39,7 @@ funcs:
         i-12345678
   - name: aws.EC2Dynamic
     alias: ec2dynamic
+    released: v1.8.0
     description: |
       Queries AWS [EC2 Instance Dynamic Metadata](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html) for information. This only retrieves data in the `dynamic` path -- for data in the `meta-data` path use `aws.EC2Meta`.
 
@@ -56,6 +58,7 @@ funcs:
         us-east-1
   - name: aws.EC2Region
     alias: ec2region
+    released: v1.8.0
     description: |
       Queries AWS to get the region. An optional default can be provided, or returns
       `unknown` if it can't be determined for some reason.
@@ -80,6 +83,7 @@ funcs:
         ```
   - name: aws.EC2Tag
     alias: ec2tag
+    released: v3.8.0
     description: |
       Queries the AWS EC2 API to find the value of the given [user-defined tag](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html). An optional default
       can be provided.
@@ -100,6 +104,7 @@ funcs:
         I am a meat popsicle.
   - name: aws.EC2Tags
     alias: ec2tags
+    released: v3.8.0
     description: |
       Queries the AWS EC2 API to find all the tags/values [user-defined tag](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html).
     pipeline: false
@@ -111,6 +116,7 @@ funcs:
         Name=bar
         svc:name=foobar
   - name: aws.KMSEncrypt
+    # released: v4.0.0
     description: |
       Encrypt an input string with the AWS Key Management Service (KMS).
 
@@ -145,6 +151,7 @@ funcs:
         $ export CIPHER=$(gomplate -i '{{ aws.KMSEncrypt "alias/gomplate" "hello world" }}')
         $ gomplate -i '{{ env.Getenv "CIPHER" | aws.KMSDecrypt }}'
   - name: aws.KMSDecrypt
+    released: v3.4.0
     description: |
       Decrypt ciphertext that was encrypted with the AWS Key Management Service
       (KMS).
@@ -165,6 +172,7 @@ funcs:
         $ export CIPHER=$(gomplate -i '{{ aws.KMSEncrypt "alias/gomplate" "hello world" }}')
         $ gomplate -i '{{ env.Getenv "CIPHER" | aws.KMSDecrypt }}'
   - name: aws.Account
+    released: v3.4.0
     description: |
       Returns the currently-authenticated AWS account ID number.
 
@@ -177,6 +185,7 @@ funcs:
         $ gomplate -i 'My account is {{ aws.Account }}'
         My account is 123456789012
   - name: aws.ARN
+    released: v3.4.0
     description: |
       Returns the AWS ARN (Amazon Resource Name) associated with the current authentication credentials.
 
@@ -189,6 +198,7 @@ funcs:
         $ gomplate -i 'Calling from {{ aws.ARN }}'
         Calling from arn:aws:iam::123456789012:user/Alice
   - name: aws.UserID
+    released: v3.4.0
     description: |
       Returns the unique identifier of the calling entity. The exact value
       depends on the type of entity making the call. The values returned are those
diff --git a/docs-src/content/functions/base64.yml b/docs-src/content/functions/base64.yml
index fc8cd66f..6d1c23ed 100644
--- a/docs-src/content/functions/base64.yml
+++ b/docs-src/content/functions/base64.yml
@@ -2,6 +2,7 @@ ns: base64
 preamble: ''
 funcs:
   - name: base64.Encode
+    released: v1.8.0
     description: |
       Encode data as a Base64 string. Specifically, this uses the standard Base64 encoding as defined in [RFC4648 §4](https://tools.ietf.org/html/rfc4648#section-4) (and _not_ the URL-safe encoding).
     pipeline: true
@@ -17,6 +18,7 @@ funcs:
         $ gomplate -i '{{ "hello world" | base64.Encode }}'
         aGVsbG8gd29ybGQ=
   - name: base64.Decode
+    released: v1.8.0
     description: |
       Decode a Base64 string. This supports both standard ([RFC4648 §4](https://tools.ietf.org/html/rfc4648#section-4)) and URL-safe ([RFC4648 §5](https://tools.ietf.org/html/rfc4648#section-5)) encodings.
 
@@ -36,6 +38,7 @@ funcs:
         $ gomplate -i '{{ "aGVsbG8gd29ybGQ=" | base64.Decode }}'
         hello world
   - name: base64.DecodeBytes
+    released: v3.8.0
     description: |
       Decode a Base64 string. This supports both standard ([RFC4648 §4](https://tools.ietf.org/html/rfc4648#section-4)) and URL-safe ([RFC4648 §5](https://tools.ietf.org/html/rfc4648#section-5)) encodings.
 
diff --git a/docs-src/content/functions/coll.yml b/docs-src/content/functions/coll.yml
index f3dd6bc0..4302239a 100644
--- a/docs-src/content/functions/coll.yml
+++ b/docs-src/content/functions/coll.yml
@@ -8,6 +8,7 @@ preamble: |
   input was a different type.
 funcs:
   - name: coll.Dict
+    released: v3.2.0
     alias: dict
     description: |
       Dict is a convenience function that creates a map with string keys.
@@ -43,6 +44,7 @@ funcs:
         Hello world!
         Hello everybody!
   - name: coll.Slice
+    released: v3.2.0
     deprecated: The `slice` alias is deprecated, use the full name `coll.Slice` instead.
     alias: slice
     description: |
@@ -59,6 +61,7 @@ funcs:
         Hello, Lisa
         Hello, Maggie
   - name: coll.GoSlice
+    # released: v4.0.0
     description: |
       This exposes the `slice` function from Go's [`text/template`](https://golang.org/pkg/text/template/#hdr-Functions)
       package. Note that using `slice` will use the `coll.Slice` function instead,
@@ -89,6 +92,7 @@ funcs:
         $ gomplate -i '{{ coll.GoSlice "hello world" 3 8 }}'
         lo wo
   - name: coll.Has
+    released: v3.2.0
     alias: has
     description: |
       Reports whether a given object has a property with the given key, or whether a given array/slice contains the given value. Can be used with `if` to prevent the template from trying to access a non-existent property in an object.
@@ -115,6 +119,7 @@ funcs:
         {{ if (has $o "foo") }}{{ $o.foo }}{{ else }}THERE IS NO FOO{{ end }}'
         THERE IS NO FOO
   - name: coll.Index
+    # released: v4.0.0
     description: |
       Returns the result of indexing the given map, slice, or array by the given
       key or index. This is similar to the built-in `index` function, but the
@@ -144,6 +149,7 @@ funcs:
         bar
   - name: coll.JSONPath
     alias: jsonpath
+    released: v3.4.0
     description: |
       Extracts portions of an input object or list using a [JSONPath][] expression.
 
@@ -166,6 +172,7 @@ funcs:
         [Alice's Adventures in Wonderland Gulliver's Travels]
   - name: coll.JQ
     alias: jq
+    # released: v4.0.0
     description: |
       Filters an input object or list using the [jq](https://stedolan.github.io/jq/) language, as implemented by [gojq](https://github.com/itchyny/gojq).
 
@@ -194,6 +201,7 @@ funcs:
            -c books=https://openlibrary.org/subjects/fantasy.json
         map[authors:[Lewis Carroll] published:1865 title:Alice's Adventures in Wonderland]
   - name: coll.Keys
+    released: v3.2.0
     alias: keys
     description: |
       Return a list of keys in one or more maps.
@@ -215,6 +223,7 @@ funcs:
         [bar foo baz qux]
   - name: coll.Values
     alias: values
+    released: v3.2.0
     description: |
       Return a list of values in one or more maps.
 
@@ -235,6 +244,7 @@ funcs:
         [2 1 3 4]
   - name: coll.Append
     alias: append
+    released: v3.2.0
     description: |
       Append a value to the end of a list.
 
@@ -255,6 +265,7 @@ funcs:
         [1 1 2 3 5]
   - name: coll.Prepend
     alias: prepend
+    released: v3.2.0
     description: |
       Prepend a value to the beginning of a list.
 
@@ -275,6 +286,7 @@ funcs:
         [5 4 3 2 1]
   - name: coll.Uniq
     alias: uniq
+    released: v3.2.0
     description: |
       Remove any duplicate values from the list, without changing order.
 
@@ -290,6 +302,7 @@ funcs:
         [1 2 3 4 5]
   - name: coll.Flatten
     alias: flatten
+    released: v3.6.0
     description: |
       Flatten a nested list. Defaults to completely flattening all nested lists,
       but can be limited with `depth`.
@@ -312,6 +325,7 @@ funcs:
         [1 2 3 4 [[5] 6] 7]
   - name: coll.Reverse
     alias: reverse
+    released: v3.2.0
     description: |
       Reverse a list.
 
@@ -327,6 +341,7 @@ funcs:
         [1 2 3 4]
   - name: coll.Sort
     alias: sort
+    released: v3.2.0
     description: |
       Sort a given list. Uses the natural sort order if possible. For inputs
       that are not sortable (either because the elements are of different types,
@@ -360,6 +375,7 @@ funcs:
         bar
   - name: coll.Merge
     alias: merge
+    released: v3.2.0
     description: |
       Merge maps together by overriding src with dst.
 
@@ -390,6 +406,7 @@ funcs:
         {{ coll.Merge $dst $src1 $src2 }}'
         map[foo:1 bar:5 baz:4]
   - name: coll.Pick
+    released: v3.7.0
     description: |
       Given a map, returns a new map with any entries that have the given keys.
 
@@ -412,6 +429,7 @@ funcs:
         {{ coll.Pick "foo" "baz" $data }}'
         map[baz:3 foo:1]
   - name: coll.Omit
+    released: v3.7.0
     description: |
       Given a map, returns a new map without any entries that have the given keys.
 
diff --git a/docs-src/content/functions/conv.yml b/docs-src/content/functions/conv.yml
index 884ba35b..f0073247 100644
--- a/docs-src/content/functions/conv.yml
+++ b/docs-src/content/functions/conv.yml
@@ -6,6 +6,7 @@ preamble: |
 funcs:
   - name: conv.Bool
     alias: bool
+    released: v0.2.0
     description: |
       **Note:** See also [`conv.ToBool`](#conv-tobool) for a more flexible variant.
 
@@ -30,6 +31,7 @@ funcs:
         ```
   - name: conv.Default
     alias: default
+    released: v2.5.0
     description: |
       Provides a default value given an empty input. Empty inputs are `0` for numeric
       types, `""` for strings, `false` for booleans, empty arrays/maps, and `nil`.
@@ -52,6 +54,7 @@ funcs:
   - name: conv.Dict
     deprecated: Renamed to [`coll.Dict`](#coll-dict)
     alias: dict
+    released: v3.0.0
     description: |
       Dict is a convenience function that creates a map with string keys.
       Provide arguments as key/value pairs. If an odd number of arguments
@@ -88,6 +91,7 @@ funcs:
   - name: conv.Slice
     deprecated: Renamed to [`coll.Slice`](#coll-slice)
     alias: slice
+    released: v0.3.0
     description: |
       Creates a slice (like an array or list). Useful when needing to `range` over a bunch of variables.
     pipeline: false
@@ -104,6 +108,7 @@ funcs:
   - name: conv.Has
     deprecated: Renamed to [`coll.Has`](#coll-has)
     alias: has
+    released: v1.5.0
     description: |
       Reports whether a given object has a property with the given key, or whether a given array/slice contains the given value. Can be used with `if` to prevent the template from trying to access a non-existent property in an object.
     pipeline: false
@@ -130,6 +135,7 @@ funcs:
         THERE IS NO FOO
   - name: conv.Join
     alias: join
+    released: v0.4.0
     description: |
       Concatenates the elements of an array to create a string. The separator string `sep` is placed between elements in the resulting string.
     arguments:
@@ -145,6 +151,7 @@ funcs:
         1-2-3
   - name: conv.URL
     alias: urlParse
+    released: v2.0.0
     description: |
       Parses a string as a URL for later use. Equivalent to [url.Parse](https://golang.org/pkg/net/url/#Parse)
 
@@ -176,6 +183,7 @@ funcs:
         https://user:xxxxx@example.com
         ```
   - name: conv.ParseInt
+    released: v1.4.0
     description: |
       _**Note:**_ See [`conv.ToInt64`](#conv-toint64) instead for a simpler and more flexible variant of this function.
 
@@ -194,6 +202,7 @@ funcs:
         The value in decimal is 1984
         ```
   - name: conv.ParseFloat
+    released: v1.4.0
     description: |
       _**Note:**_ See [`conv.ToFloat`](#conv-tofloat) instead for a simpler and more flexible variant of this function.
 
@@ -213,6 +222,7 @@ funcs:
         pi is greater than 3
         ```
   - name: conv.ParseUint
+    released: v1.4.0
     description: |
       Parses a string as an uint64 for later use. Equivalent to [strconv.ParseUint](https://golang.org/pkg/strconv/#ParseUint)
     rawExamples:
@@ -229,6 +239,7 @@ funcs:
         18446744073709551615 is max uint64
         ```
   - name: conv.Atoi
+    released: v1.4.0
     description: |
       _**Note:**_ See [`conv.ToInt`](#conv-toint) and [`conv.ToInt64`](#conv-toint64) instead for simpler and more flexible variants of this function.
 
@@ -250,6 +261,7 @@ funcs:
         The number is greater than 5
         ```
   - name: conv.ToBool
+    released: v2.7.0
     description: |
       Converts the input to a boolean value.
       Possible `true` values are: `1` or the strings `"t"`, `"true"`, or `"yes"`
@@ -266,6 +278,7 @@ funcs:
         $ gomplate -i '{{ conv.ToBool false }} {{ conv.ToBool "blah" }} {{ conv.ToBool 0 }}'
         false false false
   - name: conv.ToBools
+    released: v2.7.0
     description: |
       Converts a list of inputs to an array of boolean values.
       Possible `true` values are: `1` or the strings `"t"`, `"true"`, or `"yes"`
@@ -282,6 +295,7 @@ funcs:
         $ gomplate -i '{{ conv.ToBools false "blah" 0 }}'
         [false false false]
   - name: conv.ToInt64
+    released: v2.2.0
     description: |
       Converts the input to an `int64` (64-bit signed integer).
 
@@ -306,6 +320,7 @@ funcs:
         $ gomplate -i '{{conv.ToInt64 true }}'
         1
   - name: conv.ToInt
+    released: v2.2.0
     description: |
       Converts the input to an `int` (signed integer, 32- or 64-bit depending
       on platform). This is similar to [`conv.ToInt64`](#conv-toint64) on 64-bit
@@ -333,6 +348,7 @@ funcs:
         $ gomplate -i '{{conv.ToInt true }}'
         1
   - name: conv.ToInt64s
+    released: v2.2.0
     description: |
       Converts the inputs to an array of `int64`s.
 
@@ -346,6 +362,7 @@ funcs:
         gomplate -i '{{ conv.ToInt64s true 0x42 "123,456.99" "1.2345e+3"}}'
         [1 66 123456 1234]
   - name: conv.ToInts
+    released: v2.2.0
     description: |
       Converts the inputs to an array of `int`s.
 
@@ -359,6 +376,7 @@ funcs:
         gomplate -i '{{ conv.ToInts true 0x42 "123,456.99" "1.2345e+3"}}'
         [1 66 123456 1234]
   - name: conv.ToFloat64
+    released: v2.2.0
     description: |
       Converts the input to a `float64`.
 
@@ -377,6 +395,7 @@ funcs:
         $ gomplate -i '{{ conv.ToFloat64 "9,000.09"}}'
         9000.09
   - name: conv.ToFloat64s
+    released: v2.2.0
     description: |
       Converts the inputs to an array of `float64`s.
 
@@ -390,6 +409,7 @@ funcs:
         $ gomplate -i '{{ conv.ToFloat64s true 0x42 "123,456.99" "1.2345e+3"}}'
         [1 66 123456.99 1234.5]
   - name: conv.ToString
+    released: v2.5.0
     description: |
       Converts the input (of any type) to a `string`.
 
@@ -407,6 +427,7 @@ funcs:
         $ gomplate -i '{{ conv.ToString nil }}'
         nil
   - name: conv.ToStrings
+    released: v2.5.0
     description: |
       Converts the inputs (of any type) to an array of `string`s
 
diff --git a/docs-src/content/functions/crypto.yml b/docs-src/content/functions/crypto.yml
index 2565bd6c..f7640baf 100644
--- a/docs-src/content/functions/crypto.yml
+++ b/docs-src/content/functions/crypto.yml
@@ -10,6 +10,7 @@ preamble: |
   before using gomplate for critical security infrastructure!_
 funcs:
   - name: crypto.Bcrypt
+    released: v2.6.0
     description: |
       Uses the [bcrypt](https://en.wikipedia.org/wiki/Bcrypt) password hashing algorithm to generate the hash of a given string. Wraps the [`golang.org/x/crypto/brypt`](https://godoc.org/golang.org/x/crypto/bcrypt) package.
     pipeline: true
@@ -29,6 +30,7 @@ funcs:
         $2a$04$zjba3N38sjyYsw0Y7IRCme1H4gD0MJxH8Ixai0/sgsrf7s1MFUK1C
   - name: crypto.DecryptAES
     experimental: true
+    released: v3.11.0
     description: |
       Decrypts the given input using the given key. By default,
       uses AES-256-CBC, but supports 128- and 192-bit keys as well.
@@ -57,6 +59,7 @@ funcs:
         hello world
   - name: crypto.DecryptAESBytes
     experimental: true
+    released: v3.11.0
     description: |
       Decrypts the given input using the given key. By default,
       uses AES-256-CBC, but supports 128- and 192-bit keys as well.
@@ -84,6 +87,7 @@ funcs:
         hello world
   - name: crypto.EncryptAES
     experimental: true
+    released: v3.11.0
     description: |
       Encrypts the given input using the given key. By default,
       uses AES-256-CBC, but supports 128- and 192-bit keys as well.
@@ -108,6 +112,7 @@ funcs:
         MnRutHovsh/9JN3YrJtBVjZtI6xXZh33bCQS2iZ4SDI=
   - name: crypto.ECDSAGenerateKey
     experimental: true
+    released: v3.11.0
     description: |
       Generate a new Elliptic Curve Private Key and output in
       PEM-encoded PKCS#1 ASN.1 DER form.
@@ -131,6 +136,7 @@ funcs:
         ...
   - name: crypto.ECDSADerivePublicKey
     experimental: true
+    released: v3.11.0
     description: |
       Derive a public key from an elliptic curve private key and output in PKIX
       ASN.1 DER form.
@@ -153,6 +159,7 @@ funcs:
         aztsmrD79OXXnhUlURI=
         -----END PUBLIC KEY-----
   - name: crypto.PBKDF2
+    released: v2.3.0
     description: |
       Run the Password-Based Key Derivation Function #2 as defined in
       [RFC 8018 (PKCS #5 v2.1)](https://tools.ietf.org/html/rfc8018#section-5.2).
@@ -181,6 +188,7 @@ funcs:
         32c4907c3c80792b
   - name: crypto.RSADecrypt
     experimental: true
+    released: v3.8.0
     description: |
       Decrypt an RSA-encrypted input and print the output as a string. Note that
       this may result in unreadable text if the decrypted payload is binary. See
@@ -214,6 +222,7 @@ funcs:
         hello
   - name: crypto.RSADecryptBytes
     experimental: true
+    released: v3.8.0
     description: |
       Decrypt an RSA-encrypted input and output the decrypted byte array.
 
@@ -248,6 +257,7 @@ funcs:
         hello
   - name: crypto.RSAEncrypt
     experimental: true
+    released: v3.8.0
     description: |
       Encrypt the input with RSA and the padding scheme from PKCS#1 v1.5.
 
@@ -287,6 +297,7 @@ funcs:
         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
   - name: crypto.RSAGenerateKey
     experimental: true
+    released: v3.8.0
     description: |
       Generate a new RSA Private Key and output in PEM-encoded PKCS#1 ASN.1 DER
       form.
@@ -317,6 +328,7 @@ funcs:
         hello
   - name: crypto.RSADerivePublicKey
     experimental: true
+    released: v3.8.0
     description: |
       Derive a public key from an RSA private key and output in PKIX ASN.1 DER
       form.
@@ -340,6 +352,7 @@ funcs:
           {{ crypto.RSADecrypt .privKey $enc }}'
         hello
   - rawName: "`crypto.SHA1`, `crypto.SHA224`, `crypto.SHA256`, `crypto.SHA384`, `crypto.SHA512`, `crypto.SHA512_224`, `crypto.SHA512_256`"
+    released: v2.3.0
     description: |
       Compute a checksum with a SHA-1 or SHA-2 algorithm as defined in [RFC 3174](https://tools.ietf.org/html/rfc3174) (SHA-1) and [FIPS 180-4](http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf) (SHA-2).
 
@@ -369,6 +382,7 @@ funcs:
         $ gomplate -i '{{ crypto.SHA512 "bar" }}'
         cc06808cbbee0510331aa97974132e8dc296aeb795be229d064bae784b0a87a5cf4281d82e8c99271b75db2148f08a026c1a60ed9cabdb8cac6d24242dac4063
   - rawName: "`crypto.SHA1Bytes`, `crypto.SHA224Bytes`, `crypto.SHA256Bytes`, `crypto.SHA384Bytes`, `crypto.SHA512Bytes`, `crypto.SHA512_224Bytes`, `crypto.SHA512_256Bytes`"
+    released: v3.11.0
     description: |
       Compute a checksum with a SHA-1 or SHA-2 algorithm as defined in [RFC 3174](https://tools.ietf.org/html/rfc3174) (SHA-1) and [FIPS 180-4](http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf) (SHA-2).
 
@@ -395,6 +409,7 @@ funcs:
         $ gomplate -i '{{ crypto.SHA256Bytes "foo" | base64.Encode }}'
         LCa0a2j/xo/5m0U8HTBBNBNCLXBkg7+g+YpeiGJm564=
   - name: crypto.WPAPSK
+    released: v2.3.0
     description: |
       This is really an alias to [`crypto.PBKDF2`](#crypto.PBKDF2) with the
       values necessary to convert ASCII passphrases to the WPA pre-shared keys for use with WiFi networks.
diff --git a/docs-src/content/functions/data.yml b/docs-src/content/functions/data.yml
index 89f9f1a4..9392790d 100644
--- a/docs-src/content/functions/data.yml
+++ b/docs-src/content/functions/data.yml
@@ -4,6 +4,7 @@ preamble: |
 funcs:
   - name: datasource
     alias: ds
+    released: v0.5.0
     description: |
       Parses a given datasource (provided by the [`--datasource/-d`](../../usage/#datasource-d) argument or [`defineDatasource`](#definedatasource)).
 
@@ -30,6 +31,7 @@ funcs:
         Hello Dave
         ```
   - name: datasourceExists
+    released: v1.3.0
     description: |
       Tests whether or not a given datasource was defined on the commandline (with the
       [`--datasource/-d`](../../usage/#datasource-d) argument). This is intended mainly to allow
@@ -49,6 +51,7 @@ funcs:
         $ echo '{{if (datasourceExists "test")}}{{datasource "test"}}{{else}}no worries{{end}}' | gomplate
         no worries
   - name: datasourceReachable
+    released: v2.5.0
     description: |
       Tests whether or not a given datasource is defined and reachable, where the definition of "reachable" differs by datasource, but generally means the data is able to be read successfully.
 
@@ -63,6 +66,7 @@ funcs:
         $ gomplate -i '{{if (datasourceReachable "test")}}{{datasource "test"}}{{else}}no worries{{end}}' -d test=https://bogus.example.com/wontwork.json
         no worries
   - name: listDatasources
+    released: v3.11.0
     description: |
       Lists all the datasources defined, list returned will be sorted in ascending order.
     pipeline: false
@@ -72,6 +76,7 @@ funcs:
         Datasource-bar
         Datasource-person
   - name: defineDatasource
+    released: v2.7.0
     description: |
       Define a datasource alias with target URL inside the template. Overridden by the [`--datasource/-d`](../../usage/#datasource-d) flag.
 
@@ -102,6 +107,7 @@ funcs:
         Hello Daisy
         ```
   - name: include
+    released: v1.8.0
     description: |
       Includes the content of a given datasource (provided by the [`--datasource/-d`](../../usage/#datasource-d) argument).
 
@@ -140,6 +146,7 @@ funcs:
         ```
   - name: data.JSON
     alias: json
+    released: v1.4.0
     description: |
       Converts a JSON string into an object. Works for JSON Objects, but will
       also parse JSON Arrays. Will not parse other valid JSON types.
@@ -172,6 +179,7 @@ funcs:
         ```
   - name: data.JSONArray
     alias: jsonArray
+    released: v2.0.0
     description: |
       Converts a JSON string into a slice. Only works for JSON Arrays.
     pipeline: true
@@ -193,6 +201,7 @@ funcs:
         ```
   - name: data.YAML
     alias: yaml
+    released: v2.0.0
     description: |
       Converts a YAML string into an object. Works for YAML Objects but will
       also parse YAML Arrays. This can be used to access properties of YAML objects.
@@ -217,6 +226,7 @@ funcs:
         ```
   - name: data.YAMLArray
     alias: yamlArray
+    released: v2.0.0
     description: |
       Converts a YAML string into a slice. Only works for YAML Arrays.
     pipeline: true
@@ -238,6 +248,7 @@ funcs:
         ```
   - name: data.TOML
     alias: toml
+    released: v2.0.0
     description: |
       Converts a [TOML](https://github.com/toml-lang/toml) document into an object.
       This can be used to access properties of TOML documents.
@@ -263,6 +274,7 @@ funcs:
         ```
   - name: data.CSV
     alias: csv
+    released: v2.0.0
     description: |
       Converts a CSV-format string into a 2-dimensional string array.
 
@@ -296,6 +308,7 @@ funcs:
         ```
   - name: data.CSVByRow
     alias: csvByRow
+    released: v2.0.0
     description: |
       Converts a CSV-format string into a slice of maps.
 
@@ -337,6 +350,7 @@ funcs:
         ```
   - name: data.CSVByColumn
     alias: csvByColumn
+    released: v2.0.0
     description: |
       Like [`csvByRow`](#csvByRow), except that the data is presented as a columnar
       (column-oriented) map.
@@ -371,6 +385,7 @@ funcs:
         ```
   - name: data.ToJSON
     alias: toJSON
+    released: v2.0.0
     description: |
       Converts an object to a JSON document. Input objects may be the result of `json`, `yaml`, `jsonArray`, or `yamlArray` functions, or they could be provided by a `datasource`.
     pipeline: true
@@ -393,6 +408,7 @@ funcs:
         ```
   - name: data.ToJSONPretty
     alias: toJSONPretty
+    released: v2.0.0
     description: |
       Converts an object to a pretty-printed (or _indented_) JSON document.
       Input objects may be the result of functions like `data.JSON`, `data.YAML`,
@@ -423,6 +439,7 @@ funcs:
         ```
   - name: data.ToYAML
     alias: toYAML
+    released: v2.0.0
     description: |
       Converts an object to a YAML document. Input objects may be the result of
       `data.JSON`, `data.YAML`, `data.JSONArray`, or `data.YAMLArray` functions,
@@ -447,6 +464,7 @@ funcs:
         ```
   - name: data.ToTOML
     alias: toTOML
+    released: v2.0.0
     description: |
       Converts an object to a [TOML](https://github.com/toml-lang/toml) document.
     pipeline: true
@@ -460,6 +478,7 @@ funcs:
         foo = "bar"
   - name: data.ToCSV
     alias: toCSV
+    released: v2.0.0
     description: |
       Converts an object to a CSV document. The input object must be a 2-dimensional
       array of strings (a `[][]string`). Objects produced by [`data.CSVByRow`](#conv-csvbyrow)
diff --git a/docs-src/content/functions/env.yml b/docs-src/content/functions/env.yml
index 65f5ad2b..1222ac7e 100644
--- a/docs-src/content/functions/env.yml
+++ b/docs-src/content/functions/env.yml
@@ -5,6 +5,7 @@ preamble: |
 funcs:
   - name: env.Getenv
     alias: getenv
+    released: v0.2.0
     description: |
       Exposes the [os.Getenv](https://golang.org/pkg/os/#Getenv) function.
 
@@ -39,6 +40,7 @@ funcs:
         $ gomplate -i 'Your secret is {{getenv "SECRET"}}'
         Your secret is safe
   - name: env.ExpandEnv
+    released: v2.5.0
     description: |
       Exposes the [os.ExpandEnv](https://golang.org/pkg/os/#ExpandEnv) function.
 
diff --git a/docs-src/content/functions/file.yml b/docs-src/content/functions/file.yml
index 8589cbb6..3e8f5ed4 100644
--- a/docs-src/content/functions/file.yml
+++ b/docs-src/content/functions/file.yml
@@ -3,6 +3,7 @@ preamble: |
   Functions for working with files.
 funcs:
   - name: file.Exists
+    released: v2.4.0
     description: |
       Reports whether a file or directory exists at the given path.
     pipeline: true
@@ -25,6 +26,7 @@ funcs:
         yes
         ```
   - name: file.IsDir
+    released: v2.4.0
     description: |
       Reports whether a given path is a directory.
     pipeline: true
@@ -50,6 +52,7 @@ funcs:
         yes
         ```
   - name: file.Read
+    released: v2.4.0
     description: |
       Reads a given file _as text_. Note that this will succeed if the given file is binary, but the output may be gibberish.
     pipeline: true
@@ -63,6 +66,7 @@ funcs:
         $ gomplate -i '{{file.Read "/tmp/hi"}}'
         hello world
   - name: file.ReadDir
+    released: v2.4.0
     description: |
       Reads a directory and lists the files and directories contained within.
     pipeline: true
@@ -81,6 +85,7 @@ funcs:
         c
         d
   - name: file.Stat
+    released: v2.4.0
     description: |
       Returns a [`os.FileInfo`](https://golang.org/pkg/os/#FileInfo) describing the named path.
 
@@ -96,6 +101,7 @@ funcs:
         $ gomplate -i '{{ $s := file.Stat "/tmp/foo" }}{{ $s.Mode }} {{ $s.Size }} {{ $s.Name }}'
         -rw-r--r-- 12 foo
   - name: file.Walk
+    released: v2.6.0
     description: |
       Like a recursive [`file.ReadDir`](#file-readdir), recursively walks the file tree rooted at `path`, and returns an array of all files and directories contained within.
 
@@ -128,6 +134,7 @@ funcs:
         /tmp/foo/three is a file
         /tmp/foo/two is a file
   - name: file.Write
+    released: v2.4.0
     description: |
       Write the given data to the given file. If the file exists, it will be overwritten.
 
diff --git a/docs-src/content/functions/filepath.yml b/docs-src/content/functions/filepath.yml
index 84d550d5..239c02a4 100644
--- a/docs-src/content/functions/filepath.yml
+++ b/docs-src/content/functions/filepath.yml
@@ -9,6 +9,7 @@ preamble: |
   These functions are wrappers for Go's [`path/filepath`](https://golang.org/pkg/path/filepath/) package.
 funcs:
   - name: filepath.Base
+    released: v2.7.0
     description: |
       Returns the last element of path. Trailing path separators are removed before extracting the last element. If the path is empty, Base returns `.`. If the path consists entirely of separators, Base returns a single separator.
 
@@ -23,6 +24,7 @@ funcs:
         $ gomplate -i '{{ filepath.Base "/tmp/foo" }}'
         foo
   - name: filepath.Clean
+    released: v2.7.0
     description: |
       Clean returns the shortest path name equivalent to path by purely lexical processing.
 
@@ -37,6 +39,7 @@ funcs:
         $ gomplate -i '{{ filepath.Clean "/tmp//foo/../" }}'
         /tmp
   - name: filepath.Dir
+    released: v2.7.0
     description: |
       Returns all but the last element of path, typically the path's directory.
 
@@ -51,6 +54,7 @@ funcs:
         $ gomplate -i '{{ filepath.Dir "/tmp/foo" }}'
         /tmp
   - name: filepath.Ext
+    released: v2.7.0
     description: |
       Returns the file name extension used by path.
 
@@ -65,6 +69,7 @@ funcs:
         $ gomplate -i '{{ filepath.Ext "/tmp/foo.csv" }}'
         .csv
   - name: filepath.FromSlash
+    released: v2.7.0
     description: |
       Returns the result of replacing each slash (`/`) character in the path with the platform's separator character.
 
@@ -81,6 +86,7 @@ funcs:
         C:\> gomplate.exe -i '{{ filepath.FromSlash "/foo/bar" }}'
         C:\foo\bar
   - name: filepath.IsAbs
+    released: v2.7.0
     description: |
       Reports whether the path is absolute.
 
@@ -97,6 +103,7 @@ funcs:
         $ gomplate -i 'the path is {{ if (filepath.IsAbs "../foo.csv") }}absolute{{else}}relative{{end}}'
         the path is relative
   - name: filepath.Join
+    released: v2.7.0
     description: |
       Joins any number of path elements into a single path, adding a separator if necessary.
 
@@ -112,6 +119,7 @@ funcs:
         C:\> gomplate.exe -i '{{ filepath.Join "C:\tmp" "foo" "bar" }}'
         C:\tmp\foo\bar
   - name: filepath.Match
+    released: v2.7.0
     description: |
       Reports whether name matches the shell file name pattern.
 
@@ -128,6 +136,7 @@ funcs:
         $ gomplate -i '{{ filepath.Match "*.csv" "foo.csv" }}'
         true
   - name: filepath.Rel
+    released: v2.7.0
     description: |
       Returns a relative path that is lexically equivalent to targetpath when joined to basepath with an intervening separator.
 
@@ -144,6 +153,7 @@ funcs:
         $ gomplate -i '{{ filepath.Rel "/a" "/a/b/c" }}'
         b/c
   - name: filepath.Split
+    released: v2.7.0
     description: |
       Splits path immediately following the final path separator, separating it into a directory and file name component.
 
@@ -162,6 +172,7 @@ funcs:
         C:\> gomplate.exe -i '{{ $p := filepath.Split `C:\tmp\foo` }}{{ $dir := index $p 0 }}{{ $file := index $p 1 }}dir is {{$dir}}, file is {{$file}}'
         dir is C:\tmp\, file is foo
   - name: filepath.ToSlash
+    released: v2.7.0
     description: |
       Returns the result of replacing each separator character in path with a slash (`/`) character.
 
@@ -178,6 +189,7 @@ funcs:
         C:\> gomplate.exe -i '{{ filepath.ToSlash `foo\bar\baz` }}'
         foo/bar/baz
   - name: filepath.VolumeName
+    released: v2.7.0
     description: |
       Returns the leading volume name. Given `C:\foo\bar` it returns `C:` on Windows. Given a UNC like `\\host\share\foo` it returns `\\host\share`. On other platforms it returns an empty string.
 
diff --git a/docs-src/content/functions/func_doc.md.tmpl b/docs-src/content/functions/func_doc.md.tmpl
index 9c87dd9f..bd7e0621 100644
--- a/docs-src/content/functions/func_doc.md.tmpl
+++ b/docs-src/content/functions/func_doc.md.tmpl
@@ -25,6 +25,7 @@ menu:
 {{ $data.preamble -}}
 
 {{- define "annotations" -}}
+{{ if not (has . "released") }}_(unreleased)_{{ end -}}
 {{ if has . "deprecated" }} _(deprecated)_{{ end -}}
 {{ if and (has . "experimental") (index . "experimental") }} _(experimental)_{{ end -}}
 {{ end -}}
@@ -32,6 +33,9 @@ menu:
 {{ range $_, $f := $data.funcs }}
 ## {{ if has $f "rawName" -}}
 {{ $f.rawName }}{{ else }}`{{ $f.name }}`{{ end }}{{ template "annotations" $f }}
+{{ if not (has . "released") -}}
+**Unreleased:** _This function is in development, and not yet available in released builds of gomplate._
+{{ end -}}
 {{ if has $f "deprecated" -}}
 **Deprecation Notice:** {{ $f.deprecated }}
 {{ end -}}
@@ -49,6 +53,10 @@ menu:
 {{ $f.description }}
 {{ end -}}
 
+{{ if has . "released" -}}
+_Added in gomplate [{{ $f.released }}](https://github.com/hairyhenderson/gomplate/releases/tag/{{ $f.released }})_
+{{ end -}}
+
 {{ template "usage" $f }}
 
 {{ if has $f "arguments" -}}
diff --git a/docs-src/content/functions/gcp.yml b/docs-src/content/functions/gcp.yml
index 036b1ecb..6b180b10 100644
--- a/docs-src/content/functions/gcp.yml
+++ b/docs-src/content/functions/gcp.yml
@@ -15,6 +15,7 @@ preamble: |
   | `GCP_TIMEOUT` | _(Default `500`)_ Adjusts timeout for API requests, in milliseconds. |
 funcs:
   - name: gcp.Meta
+    released: v3.8.0
     description: |
       Queries GCP [Instance Metadata](https://cloud.google.com/compute/docs/storing-retrieving-metadata) for information.
 
diff --git a/docs-src/content/functions/math.yml b/docs-src/content/functions/math.yml
index 99c2a846..d375ae02 100644
--- a/docs-src/content/functions/math.yml
+++ b/docs-src/content/functions/math.yml
@@ -25,6 +25,7 @@ preamble: |
   ```
 funcs:
   - name: math.Abs
+    released: v2.6.0
     description: |
       Returns the absolute value of a given number. When the input is an integer, the result will be an `int64`, otherwise it will be a `float64`.
     arguments:
@@ -37,6 +38,7 @@ funcs:
         3.5 3.5 42
   - name: math.Add
     alias: add
+    released: v2.2.0
     description: |
       Adds all given operators. When one of the inputs is a floating-point number, the result will be a `float64`, otherwise it will be an `int64`.
     arguments:
@@ -48,6 +50,7 @@ funcs:
         $ gomplate -i '{{ math.Add 1 2 3 4 }} {{ math.Add 1.5 2 3 }}'
         10 6.5
   - name: math.Ceil
+    released: v2.6.0
     description: |
       Returns the least integer value greater than or equal to a given floating-point number. This wraps Go's [`math.Ceil`](https://golang.org/pkg/math/#Ceil).
 
@@ -68,6 +71,7 @@ funcs:
         ceil "-0" = 0
   - name: math.Div
     alias: div
+    released: v2.2.0
     description: |
       Divide the first number by the second. Division by zero is disallowed. The result will be a `float64`.
     pipeline: true
@@ -83,6 +87,7 @@ funcs:
         $ gomplate -i '{{ math.Div 8 2 }} {{ math.Div 3 2 }}'
         4 1.5
   - name: math.Floor
+    released: v2.6.0
     description: |
       Returns the greatest integer value less than or equal to a given floating-point number. This wraps Go's [`math.Floor`](https://golang.org/pkg/math/#Floor).
 
@@ -102,6 +107,7 @@ funcs:
         floor "Inf" = +Inf
         floor "-0" = 0
   - name: math.IsFloat
+    released: v2.6.0
     description: |
       Returns whether or not the given number can be interpreted as a floating-point literal, as defined by the [Go language reference](https://golang.org/ref/spec#Floating-point_literals).
 
@@ -120,6 +126,7 @@ funcs:
         NaN is a float
         Inf is a float
   - name: math.IsInt
+    released: v2.6.0
     description: |
       Returns whether or not the given number is an integer.
     arguments:
@@ -133,6 +140,7 @@ funcs:
         0xFF is an integer
         -0 is an integer
   - name: math.IsNum
+    released: v2.6.0
     description: |
       Returns whether the given input is a number. Useful for `if` conditions.
     arguments:
@@ -144,6 +152,7 @@ funcs:
         $ gomplate -i '{{ math.IsNum "foo" }} {{ math.IsNum 0xDeadBeef }}'
         false true
   - name: math.Max
+    released: v2.6.0
     description: |
       Returns the largest number provided. If any values are floating-point numbers, a `float64` is returned, otherwise an `int64` is returned. The same special-cases as Go's [`math.Max`](https://golang.org/pkg/math/#Max) are followed.
     arguments:
@@ -155,6 +164,7 @@ funcs:
         $ gomplate -i '{{ math.Max 0 8.0 4.5 "-1.5e-11" }}'
         8
   - name: math.Min
+    released: v2.6.0
     description: |
       Returns the smallest number provided. If any values are floating-point numbers, a `float64` is returned, otherwise an `int64` is returned. The same special-cases as Go's [`math.Min`](https://golang.org/pkg/math/#Min) are followed.
     arguments:
@@ -167,6 +177,7 @@ funcs:
         -1.5e-11
   - name: math.Mul
     alias: mul
+    released: v2.2.0
     description: |
       Multiply all given operators together.
     arguments:
@@ -179,6 +190,7 @@ funcs:
         128
   - name: math.Pow
     alias: pow
+    released: v2.2.0
     description: |
       Calculate an exponent - _b<sup>n</sup>_. This wraps Go's [`math.Pow`](https://golang.org/pkg/math/#Pow). If any values are floating-point numbers, a `float64` is returned, otherwise an `int64` is returned.
     arguments:
@@ -198,6 +210,7 @@ funcs:
         2.2
   - name: math.Rem
     alias: rem
+    released: v2.2.0
     description: |
       Return the remainder from an integer division operation.
     pipeline: true
@@ -215,6 +228,7 @@ funcs:
         $ gomplate -i '{{ math.Rem -5 3 }}'
         -2
   - name: math.Round
+    released: v2.6.0
     description: |
       Returns the nearest integer, rounding half away from zero.
 
@@ -233,6 +247,7 @@ funcs:
         round 6.5 = 7
   - name: math.Seq
     alias: seq
+    released: v2.2.0
     description: |
       Return a sequence from `start` to `end`, in steps of `step`. Can handle counting
       down as well as up, including with negative numbers.
@@ -257,6 +272,7 @@ funcs:
         10, 8, 6, 4, 2, 0, -2
   - name: math.Sub
     alias: sub
+    released: v2.2.0
     description: |
       Subtract the second from the first of the given operators.  When one of the inputs is a floating-point number, the result will be a `float64`, otherwise it will be an `int64`.
     pipeline: true
diff --git a/docs-src/content/functions/net.yml b/docs-src/content/functions/net.yml
index 45a9b1ec..6db816e9 100644
--- a/docs-src/content/functions/net.yml
+++ b/docs-src/content/functions/net.yml
@@ -11,6 +11,7 @@ preamble: |
   [`net`]: https://pkg.go.dev/net
 funcs:
   - name: net.LookupIP
+    released: v1.9.0
     description: |
       Resolve an IPv4 address for a given host name. When multiple IP addresses
       are resolved, the first one is returned.
@@ -24,6 +25,7 @@ funcs:
         $ gomplate -i '{{ net.LookupIP "example.com" }}'
         93.184.216.34
   - name: net.LookupIPs
+    released: v1.9.0
     description: |
       Resolve all IPv4 addresses for a given host name. Returns an array of strings.
     pipeline: true
@@ -36,6 +38,7 @@ funcs:
         $ gomplate -i '{{ join (net.LookupIPs "twitter.com") "," }}'
         104.244.42.65,104.244.42.193
   - name: net.LookupCNAME
+    released: v1.9.0
     description: |
       Resolve the canonical name for a given host name. This does a DNS lookup for the
       `CNAME` record type. If no `CNAME` is present, a canonical form of the given name
@@ -50,6 +53,7 @@ funcs:
         $ gomplate -i '{{ net.LookupCNAME "www.amazon.com" }}'
         d3ag4hukkh62yn.cloudfront.net.
   - name: net.LookupSRV
+    released: v1.9.0
     description: |
       Resolve a DNS [`SRV` service record](https://en.wikipedia.org/wiki/SRV_record).
       This implementation supports the canonical [RFC2782](https://tools.ietf.org/html/rfc2782)
@@ -78,6 +82,7 @@ funcs:
           "Weight": 1
         }
   - name: net.LookupSRVs
+    released: v1.9.0
     description: |
       Resolve a DNS [`SRV` service record](https://en.wikipedia.org/wiki/SRV_record).
       This implementation supports the canonical [RFC2782](https://tools.ietf.org/html/rfc2782)
@@ -111,6 +116,7 @@ funcs:
         priority=20/port=5060
         ```
   - name: net.LookupTXT
+    released: v1.9.0
     description: |
       Resolve a DNS [`TXT` record](https://en.wikipedia.org/wiki/SRV_record).
 
@@ -127,6 +133,7 @@ funcs:
           "v=spf1 -all"
         ]
   - name: net.ParseAddr
+    # released: v4.0.0
     description: |
       Parse the given string as an IP address (a
       [`netip.Addr`](https://pkg.go.dev/net/netip#Addr)).
@@ -146,6 +153,7 @@ funcs:
           {{ $ip.Prefix 12 }}'
         93.176.0.0/12
   - name: net.ParseIP
+    released: v3.10.0
     deprecated: Use [`net.ParseAddr`](#net-parseaddr) instead.
     description: |
       Parse the given string as an IP address (a `netaddr.IP` from the
@@ -166,6 +174,7 @@ funcs:
           {{ $ip.Prefix 12 }}'
         93.176.0.0/12
   - name: net.ParsePrefix
+    # released: v4.0.0
     description: |
       Parse the given string as an IP address prefix (CIDR) representing an IP
       network (a [`netip.Prefix`](https://pkg.go.dev/net/netip#Prefix)).
@@ -189,6 +198,7 @@ funcs:
           {{ $net.Contains $ip }}'
         true
   - name: net.ParseIPPrefix
+    released: v3.10.0
     deprecated: Use [`net.ParsePrefix`](#net-parseprefix) instead.
     description: |
       Parse the given string as an IP address prefix (CIDR) representing an IP
@@ -218,6 +228,7 @@ funcs:
         93.176.0.0-93.191.255.255
   - name: net.ParseRange
     experimental: true
+    # released: v4.0.0
     description: |
       Parse the given string as an inclusive range of IP addresses from the same
       address family (a [`netipx.IPRange`](https://pkg.go.dev/go4.org/netipx#IPRange)
@@ -245,6 +256,7 @@ funcs:
           {{ $range.Prefixes }}'
         [1.2.3.0/25 1.2.3.128/26 1.2.3.192/27 1.2.3.224/29 1.2.3.232/31]
   - name: net.ParseIPRange
+    released: v3.10.0
     deprecated: Use [`net.ParseRange`](#net-parserange) instead.
     description: |
       Parse the given string as an inclusive range of IP addresses from the same
@@ -268,6 +280,7 @@ funcs:
         [1.2.3.0/25 1.2.3.128/26 1.2.3.192/27]
   - name: net.CIDRHost
     experimental: true
+    released: v3.11.0
     description: |
       Calculates a full host IP address for a given host number within a given IP network address prefix.
 
@@ -290,6 +303,7 @@ funcs:
         10.12.113.12
   - name: net.CIDRNetmask
     experimental: true
+    released: v3.11.0
     description: |
       The result is a subnet address formatted in the conventional dotted-decimal IPv4 address syntax or hexadecimal IPv6 address syntax, as expected by some software.
 
@@ -308,6 +322,7 @@ funcs:
         ffff:ffff:ffff:ffff:ff00::
   - name: net.CIDRSubnets
     experimental: true
+    released: v3.11.0
     description: |
       Calculates a subnet address within given IP network address prefix.
 
@@ -329,6 +344,7 @@ funcs:
         [10.0.0.0/18 10.0.64.0/18 10.0.128.0/18 10.0.192.0/18]
   - name: net.CIDRSubnetSizes
     experimental: true
+    released: v3.11.0
     description: |
       Calculates a sequence of consecutive IP address ranges within a particular CIDR prefix.
 
diff --git a/docs-src/content/functions/path.yml b/docs-src/content/functions/path.yml
index 8c1d26ca..15a5aba3 100644
--- a/docs-src/content/functions/path.yml
+++ b/docs-src/content/functions/path.yml
@@ -9,6 +9,7 @@ preamble: |
   These functions are wrappers for Go's [`path`](https://golang.org/pkg/path/) and [`path/filepath`](https://golang.org/pkg/path/filepath/) packages.
 funcs:
   - name: path.Base
+    released: v2.7.0
     description: |
       Returns the last element of path. Trailing slashes are removed before extracting the last element. If the path is empty, Base returns `.`. If the path consists entirely of slashes, Base returns `/`.
 
@@ -23,6 +24,7 @@ funcs:
         $ gomplate -i '{{ path.Base "/tmp/foo" }}'
         foo
   - name: path.Clean
+    released: v2.7.0
     description: |
       Clean returns the shortest path name equivalent to path by purely lexical processing.
 
@@ -37,6 +39,7 @@ funcs:
         $ gomplate -i '{{ path.Clean "/tmp//foo/../" }}'
         /tmp
   - name: path.Dir
+    released: v2.7.0
     description: |
       Returns all but the last element of path, typically the path's directory.
 
@@ -51,6 +54,7 @@ funcs:
         $ gomplate -i '{{ path.Dir "/tmp/foo" }}'
         /tmp
   - name: path.Ext
+    released: v2.7.0
     description: |
       Returns the file name extension used by path.
 
@@ -65,6 +69,7 @@ funcs:
         $ gomplate -i '{{ path.Ext "/tmp/foo.csv" }}'
         .csv
   - name: path.IsAbs
+    released: v2.7.0
     description: |
       Reports whether the path is absolute.
 
@@ -81,6 +86,7 @@ funcs:
         $ gomplate -i 'the path is {{ if (path.IsAbs "../foo.csv") }}absolute{{else}}relative{{end}}'
         the path is relative
   - name: path.Join
+    released: v2.7.0
     description: |
       Joins any number of path elements into a single path, adding a separating slash if necessary.
 
@@ -94,6 +100,7 @@ funcs:
         $ gomplate -i '{{ path.Join "/tmp" "foo" "bar" }}'
         /tmp/foo/bar
   - name: path.Match
+    released: v2.7.0
     description: |
       Reports whether name matches the shell file name pattern.
 
@@ -110,6 +117,7 @@ funcs:
         $ gomplate -i '{{ path.Match "*.csv" "foo.csv" }}'
         true
   - name: path.Split
+    released: v2.7.0
     description: |
       Splits path immediately following the final slash, separating it into a directory and file name component.
 
diff --git a/docs-src/content/functions/random.yml b/docs-src/content/functions/random.yml
index b4f8c4cd..9f5a0414 100644
--- a/docs-src/content/functions/random.yml
+++ b/docs-src/content/functions/random.yml
@@ -11,6 +11,7 @@ preamble: |
   these functions will not deplete system entropy.
 funcs:
   - name: random.ASCII
+    released: v3.4.0
     description: |
       Generates a random string of a desired length, containing the set of
       printable characters from the 7-bit [ASCII](https://en.wikipedia.org/wiki/ASCII)
@@ -25,6 +26,7 @@ funcs:
         $ gomplate -i '{{ random.ASCII 8 }}'
         _woJ%D&K
   - name: random.Alpha
+    released: v3.4.0
     description: |
       Generates a random alphabetical (`A-Z`, `a-z`) string of a desired length.
     pipeline: false
@@ -37,6 +39,7 @@ funcs:
         $ gomplate -i '{{ random.Alpha 42 }}'
         oAqHKxHiytYicMxTMGHnUnAfltPVZDhFkVkgDvatJK
   - name: random.AlphaNum
+    released: v3.4.0
     description: |
       Generates a random alphanumeric (`0-9`, `A-Z`, `a-z`) string of a desired length.
     pipeline: false
@@ -49,6 +52,7 @@ funcs:
         $ gomplate -i '{{ random.AlphaNum 16 }}'
         4olRl9mRmVp1nqSm
   - name: random.String
+    released: v3.4.0
     description: |
       Generates a random string of a desired length.
       
@@ -100,6 +104,7 @@ funcs:
         $ gomplate -i 'Poker time! {{ random.String 5 "\U0001f0a1" "\U0001f0de" }}'
         Poker time! 🂼🂺🂳🃅🂪
   - name: random.Item
+    released: v3.4.0
     description: |
       Pick an element at a random from a given slice or array.
     pipeline: true
@@ -116,6 +121,7 @@ funcs:
         $ gomplate -i '{{ getenv "SLICE" | jsonArray | random.Item }}'
         blue
   - name: random.Number
+    released: v3.4.0
     description: |
       Pick a random integer. By default, a number between `0` and `100`
       (inclusive) is chosen, but this range can be overridden.
@@ -142,6 +148,7 @@ funcs:
         $ gomplate -i '{{ random.Number 5 }}'
         2
   - name: random.Float
+    released: v3.4.0
     description: |
       Pick a random decimal floating-point number. By default, a number between
       `0.0` and `1.0` (_exclusive_, i.e. `[0.0,1.0)`) is chosen, but this range
diff --git a/docs-src/content/functions/regexp.yml b/docs-src/content/functions/regexp.yml
index f1a50626..85df2108 100644
--- a/docs-src/content/functions/regexp.yml
+++ b/docs-src/content/functions/regexp.yml
@@ -6,6 +6,7 @@ preamble: |
   and is the same general syntax used by Perl, Python, and other languages.
 funcs:
   - name: regexp.Find
+    released: v3.1.0
     description: |
       Returns a string holding the text of the leftmost match in `input`
       of the regular expression `expression`.
@@ -28,6 +29,7 @@ funcs:
         $ gomplate -i 'no {{ "will not match" | regexp.Find "[0-9]" }}numbers'
         no numbers
   - name: regexp.FindAll
+    released: v3.1.0
     description: |
       Returns a list of all successive matches of the regular expression.
 
@@ -56,6 +58,7 @@ funcs:
         $ gomplate -i '{{ "foo bar baz qux" | regexp.FindAll "[a-z]{3}" 3 | toJSON}}'
         ["foo", "bar", "baz"]
   - name: regexp.Match
+    released: v1.9.0
     description: |
       Returns `true` if a given regular expression matches a given input.
 
@@ -73,6 +76,7 @@ funcs:
         $ gomplate -i '{{ if (.Env.USER | regexp.Match `^h`) }}username ({{.Env.USER}}) starts with h!{{end}}'
         username (hairyhenderson) starts with h!
   - name: regexp.QuoteMeta
+    released: v3.7.0
     description: |
       Escapes all regular expression metacharacters in the input. The returned string is a regular expression matching the literal text.
 
@@ -88,6 +92,7 @@ funcs:
         $ gomplate -i '{{ `{hello}` | regexp.QuoteMeta }}'
         \{hello\}
   - name: regexp.Replace
+    released: v1.9.0
     description: |
       Replaces matches of a regular expression with the replacement string.
 
@@ -114,6 +119,7 @@ funcs:
         $ gomplate -i '{{ regexp.Replace "(?P<first>[a-zA-Z]+) (?P<last>[a-zA-Z]+)" "${last}, ${first}" "Alan Turing"}}'
         Turing, Alan
   - name: regexp.ReplaceLiteral
+    released: v3.1.0
     description: |
       Replaces matches of a regular expression with the replacement string.
 
@@ -141,6 +147,7 @@ funcs:
         $ gomplate -i '{{ `foo.bar,baz` | regexp.ReplaceLiteral `\W` `$` }}'
         foo$bar$baz
   - name: regexp.Split
+    released: v3.1.0
     description: |
       Splits `input` into sub-strings, separated by the expression.
 
diff --git a/docs-src/content/functions/sockaddr.yml b/docs-src/content/functions/sockaddr.yml
index 5992910c..9b3239b8 100644
--- a/docs-src/content/functions/sockaddr.yml
+++ b/docs-src/content/functions/sockaddr.yml
@@ -33,6 +33,7 @@ preamble: |
   [RFC 6890]: http://tools.ietf.org/html/rfc6890
 funcs:
   - name: sockaddr.GetAllInterfaces
+    released: v2.4.0
     description: |
       Iterates over all available network interfaces and finds all available IP
       addresses on each interface and converts them to `sockaddr.IPAddrs`, and returning
@@ -40,11 +41,13 @@ funcs:
 
       Should be piped through a further function to refine and extract attributes.
   - name: sockaddr.GetDefaultInterfaces
+    released: v2.4.0
     description: |
       Returns `IfAddrs` of the addresses attached to the default route.
 
       Should be piped through a further function to refine and extract attributes.
   - name: sockaddr.GetPrivateInterfaces
+    released: v2.4.0
     description: |
       Returns an array of `IfAddr`s containing every IP that matches
       [RFC 6890][], is attached to the interface with
@@ -57,12 +60,14 @@ funcs:
 
       Should be piped through a further function to refine and extract attributes.
   - name: sockaddr.GetPublicInterfaces
+    released: v2.4.0
     description: |
       Returns an array of `IfAddr`s that do not match [RFC 6890][],
       are attached to the default route, and are forwardable.
 
       Should be piped through a further function to refine and extract attributes.
   - name: sockaddr.Sort
+    released: v2.4.0
     description: |
       Returns an array of `IfAddr`s sorted based on the given selector. Multiple sort
       clauses can be passed in as a comma-delimited list without whitespace.
@@ -101,6 +106,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetAllInterfaces | sockaddr.Sort "name,-address" }}'
         ```
   - name: sockaddr.Exclude
+    released: v2.4.0
     description: |
       Returns an array of `IfAddr`s filtered by interfaces that do not match the given
       selector's value.
@@ -144,6 +150,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetAllInterfaces | sockaddr.Exclude "type" "ipv6" }}'
         ```
   - name: sockaddr.Include
+    released: v2.4.0
     description: |
       Returns an array of `IfAddr`s filtered by interfaces that match the given
       selector's value.
@@ -161,6 +168,7 @@ funcs:
         required: true
         description: the array of `IfAddr`s to consider
   - name: sockaddr.Attr
+    released: v2.4.0
     description: |
       Returns the named attribute as a string.
     pipeline: true
@@ -176,6 +184,7 @@ funcs:
         $ gomplate -i '{{ range (sockaddr.GetAllInterfaces | sockaddr.Include "type" "ipv4") }}{{ . | sockaddr.Attr "name" }} {{end}}'
         lo0 en0
   - name: sockaddr.Join
+    released: v2.4.0
     description: |
       Selects the given attribute from each `IfAddr` in the source array, and joins
       the results with the given separator.
@@ -195,6 +204,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetAllInterfaces | sockaddr.Join "name" "," }}'
         lo0,lo0,lo0,en0,en0
   - name: sockaddr.Limit
+    released: v2.4.0
     description: |
       Returns a slice of `IfAddr`s based on the specified limit.
     pipeline: true
@@ -210,6 +220,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetAllInterfaces | sockaddr.Limit 2 | sockaddr.Join "name" "|" }}'
         lo0|lo0
   - name: sockaddr.Offset
+    released: v2.4.0
     description: |
       Returns a slice of `IfAddr`s based on the specified offset.
     pipeline: true
@@ -225,6 +236,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetAllInterfaces | sockaddr.Limit 2 | sockaddr.Offset 1 | sockaddr.Attr "address" }}'
         ::1
   - name: sockaddr.Unique
+    released: v2.4.0
     description: |
       Creates a unique array of `IfAddr`s based on the matching selector. Assumes the input has
       already been sorted.
@@ -241,6 +253,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetAllInterfaces | sockaddr.Unique "name" | sockaddr.Join "name" ", " }}'
         lo0, en0
   - name: sockaddr.Math
+    released: v2.4.0
     description: |
       Applies a math operation to each `IfAddr` in the input. Any failure will result in zero results.
 
@@ -262,6 +275,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetAllInterfaces | sockaddr.Math "address" "+5" | sockaddr.Attr "address" }}'
         127.0.0.6
   - name: sockaddr.GetPrivateIP
+    released: v2.4.0
     description: |
       Returns a string with a single IP address that is part of [RFC 6890][] and has a
       default route. If the system can't determine its IP address or find an [RFC 6890][]
@@ -272,6 +286,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetPrivateIP }}'
         10.0.0.28
   - name: sockaddr.GetPrivateIPs
+    released: v2.4.0
     description: |
       Returns a space-separated string with all IP addresses that are part of [RFC 6890][]
       (regardless of whether or not there is a default route, unlike `GetPublicIP`).
@@ -283,6 +298,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetPrivateIPs }}'
         10.0.0.28 192.168.0.1
   - name: sockaddr.GetPublicIP
+    released: v2.4.0
     description: |
       Returns a string with a single IP address that is NOT part of [RFC 6890][] and
       has a default route. If the system can't determine its IP address or find a
@@ -293,6 +309,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetPublicIP }}'
         8.1.2.3
   - name: sockaddr.GetPublicIPs
+    released: v2.4.0
     description: |
       Returns a space-separated string with all IP addresses that are NOT part of
       [RFC 6890][] (regardless of whether or not there is a default route, unlike
@@ -304,6 +321,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetPublicIPs }}'
         8.1.2.3 8.2.3.4
   - name: sockaddr.GetInterfaceIP
+    released: v2.4.0
     description: |
       Returns a string with a single IP address sorted by the size of the network
       (i.e. IP addresses with a smaller netmask, larger network size, are sorted first).
@@ -317,6 +335,7 @@ funcs:
         $ gomplate -i '{{ sockaddr.GetInterfaceIP "en0" }}'
         10.0.0.28
   - name: sockaddr.GetInterfaceIPs
+    released: v2.4.0
     description: |
       Returns a string with all IPs, sorted by the size of the network (i.e. IP
       addresses with a smaller netmask, larger network size, are sorted first), on a
diff --git a/docs-src/content/functions/strings.yml b/docs-src/content/functions/strings.yml
index 709288b6..c78d040d 100644
--- a/docs-src/content/functions/strings.yml
+++ b/docs-src/content/functions/strings.yml
@@ -2,6 +2,7 @@ ns: strings
 preamble: ''
 funcs:
   - name: strings.Abbrev
+    released: v2.6.0
     description: |
       Abbreviates a string using `...` (ellipses). Takes an optional offset from the beginning of the string, and a maximum final width (including added ellipses).
 
@@ -24,6 +25,7 @@ funcs:
         $ gomplate -i '{{ "foobarbazquxquux" | strings.Abbrev 6 9 }}'
         ...baz...
   - name: strings.Contains
+    released: v1.9.0
     description: |
       Reports whether a substring is contained within a string.
     pipeline: true
@@ -48,6 +50,7 @@ funcs:
         no
         ```
   - name: strings.HasPrefix
+    released: v1.9.0
     description: |
       Tests whether a string begins with a certain prefix.
     pipeline: true
@@ -65,6 +68,7 @@ funcs:
         $ URL=https://example.com gomplate -i '{{if .Env.URL | strings.HasPrefix "https"}}foo{{else}}bar{{end}}'
         foo
   - name: strings.HasSuffix
+    released: v1.9.0
     description: |
       Tests whether a string ends with a certain suffix.
     pipeline: true
@@ -87,6 +91,7 @@ funcs:
         http://example.com:80
         ```
   - name: strings.Indent
+    released: v1.9.0
     alias: indent
     description: |
       Indents a string. If the input string has multiple lines, each line will be indented.
@@ -125,6 +130,7 @@ funcs:
             quuz: 42
         ```
   - name: strings.Sort
+    released: v2.7.0
     deprecated: Use [`coll.Sort`](../coll/#coll-sort) instead
     description: |
       Returns an alphanumerically-sorted copy of a given string list.
@@ -138,6 +144,7 @@ funcs:
         $ gomplate -i '{{ (coll.Slice "foo" "bar" "baz") | strings.Sort }}'
         [bar baz foo]
   - name: strings.SkipLines
+    # released: v4.0.0
     description: |
       Skips the given number of lines (each ending in a `\n`), returning the
       remainder.
@@ -161,6 +168,7 @@ funcs:
         bar
         baz
   - name: strings.Split
+    released: v1.9.0
     description: |
       _Not to be confused with [`split`](#split), which is deprecated._
 
@@ -198,6 +206,7 @@ funcs:
         Two
         Three
   - name: strings.SplitN
+    released: v1.9.0
     description: |
       _Not to be confused with [`splitN`](#splitn), which is deprecated._
 
@@ -232,6 +241,7 @@ funcs:
         foo
         bar:baz
   - name: strings.Quote
+    released: v3.1.0
     alias: quote
     description: |
       Surrounds an input string with double-quote characters (`"`). If the input is not a string, converts first.
@@ -255,6 +265,7 @@ funcs:
         $ gomplate -i '{{ strings.Quote 500 }}'
         "500"
   - name: strings.Repeat
+    released: v2.6.0
     description: |
       Returns a new string consisting of `count` copies of the input string.
 
@@ -274,6 +285,7 @@ funcs:
         $ gomplate -i '{{ "hello " | strings.Repeat 5 }}'
         hello hello hello hello hello
   - name: strings.ReplaceAll
+    released: v1.9.0
     alias: replaceAll
     description: |
       Replaces all occurrences of a given string with another.
@@ -295,6 +307,7 @@ funcs:
         $ gomplate -i '{{ "172.21.1.42" | strings.ReplaceAll "." "-" }}'
         172-21-1-42
   - name: strings.Slug
+    released: v2.6.0
     description: |
       Creates a a "slug" from a given string - supports Unicode correctly. This wraps the [github.com/gosimple/slug](https://github.com/gosimple/slug) package. See [the github.com/gosimple/slug docs](https://godoc.org/github.com/gosimple/slug) for more information.
     pipeline: true
@@ -311,6 +324,7 @@ funcs:
         rock-and-roll-at-cafe-wha
   - name: strings.ShellQuote
     alias: shellQuote
+    released: v3.6.0
     description: |
       Given a string, emits a version of that string that will evaluate to its literal data when expanded by any POSIX-compliant shell.
 
@@ -329,6 +343,7 @@ funcs:
         'it'"'"'s a banana'
   - name: strings.Squote
     alias: squote
+    released: v3.1.0
     description: |
       Surrounds an input string with a single-quote (apostrophe) character (`'`). If the input is not a string, converts first.
 
@@ -347,6 +362,7 @@ funcs:
         'it''s a banana'
   - name: strings.Title
     alias: title
+    released: v1.9.0
     description: |
       Convert to title-case.
     pipeline: true
@@ -360,6 +376,7 @@ funcs:
         Hello, World!
   - name: strings.ToLower
     alias: toLower
+    released: v1.9.0
     description: |
       Convert to lower-case.
     pipeline: true
@@ -373,6 +390,7 @@ funcs:
         hello, world!
   - name: strings.ToUpper
     alias: toUpper
+    released: v1.9.0
     description: |
       Convert to upper-case.
     pipeline: true
@@ -385,6 +403,7 @@ funcs:
         $ gomplate -i '{{strings.ToUpper "hello, world!"}}'
         HELLO, WORLD!
   - name: strings.Trim
+    released: v1.9.0
     description: |
       Trims a string by removing the given characters from the beginning and end of
       the string.
@@ -401,6 +420,7 @@ funcs:
         $ gomplate -i '{{ "_-foo-_" | strings.Trim "_-" }}
         foo
   - name: strings.TrimPrefix
+    released: v2.5.0
     description: |
       Returns a string without the provided leading prefix string, if the prefix is present.
 
@@ -419,6 +439,7 @@ funcs:
         world
   - name: strings.TrimSpace
     alias: trimSpace
+    released: v1.9.0
     description: |
       Trims a string by removing whitespace from the beginning and end of
       the string.
@@ -432,6 +453,7 @@ funcs:
         $ gomplate -i '{{ "  \n\t foo" | strings.TrimSpace }}'
         foo
   - name: strings.TrimSuffix
+    released: v2.6.0
     description: |
       Returns a string without the provided trailing suffix string, if the suffix is present.
 
@@ -449,6 +471,7 @@ funcs:
         $ gomplate -i '{{ "hello, world" | strings.TrimSuffix "world" }}jello'
         hello, jello
   - name: strings.Trunc
+    released: v2.6.0
     description: |
       Returns a string truncated to the given length.
 
@@ -466,6 +489,7 @@ funcs:
         $ gomplate -i '{{ "hello, world" | strings.Trunc 5 }}'
         hello
   - name: strings.CamelCase
+    released: v3.3.0
     description: |
       Converts a sentence to CamelCase, i.e. `The quick brown fox` becomes `TheQuickBrownFox`.
 
@@ -485,6 +509,7 @@ funcs:
         $ gomplate -i '{{ "hello jello" | strings.CamelCase }}'
         helloJello
   - name: strings.SnakeCase
+    released: v3.3.0
     description: |
       Converts a sentence to snake_case, i.e. `The quick brown fox` becomes `The_quick_brown_fox`.
 
@@ -504,6 +529,7 @@ funcs:
         $ gomplate -i '{{ "hello jello" | strings.SnakeCase }}'
         hello_jello
   - name: strings.KebabCase
+    released: v3.3.0
     description: |
       Converts a sentence to kebab-case, i.e. `The quick brown fox` becomes `The-quick-brown-fox`.
 
@@ -523,6 +549,7 @@ funcs:
         $ gomplate -i '{{ "hello jello" | strings.KebabCase }}'
         hello-jello
   - name: strings.WordWrap
+    released: v3.3.0
     description: |
       Inserts new line breaks into the input string so it ends up with lines that are at most `width` characters wide.
 
@@ -555,6 +582,7 @@ funcs:
         which should not be
         broken
   - name: strings.RuneCount
+    released: v3.4.0
     description: |
       Return the number of _runes_ (Unicode code-points) contained within the
       input. This is similar to the built-in `len` function, but `len` counts
@@ -579,6 +607,7 @@ funcs:
         ᐰ is 3 bytes and 1 runes
   - name: contains
     deprecated: Use [`strings.Contains`](#strings-contains) instead
+    released: v1.4.0
     description: |
       **See [`strings.Contains`](#strings-contains) for a pipeline-compatible version**
 
@@ -607,6 +636,7 @@ funcs:
         ```
   - name: hasPrefix
     deprecated: Use [`strings.HasPrefix`](#strings-hasprefix) instead
+    released: v1.4.0
     description: |
       **See [`strings.HasPrefix`](#strings-hasprefix) for a pipeline-compatible version**
 
@@ -635,6 +665,7 @@ funcs:
         ```
   - name: hasSuffix
     deprecated: Use [`strings.HasSuffix`](#strings-hassuffix) instead
+    released: v1.4.0
     description: |
       **See [`strings.HasSuffix`](#strings-hassuffix) for a pipeline-compatible version**
 
@@ -661,6 +692,7 @@ funcs:
         ```
   - name: split
     deprecated: Use [`strings.Split`](#strings-split) instead
+    released: v1.4.0
     description: |
       **See [`strings.Split`](#strings-split) for a pipeline-compatible version**
 
@@ -683,6 +715,7 @@ funcs:
         Hello, Maggie
   - name: splitN
     deprecated: Use [`strings.SplitN`](#strings-splitn) instead
+    released: v1.7.0
     description: |
       **See [`strings.SplitN`](#strings-splitn) for a pipeline-compatible version**
 
@@ -707,6 +740,7 @@ funcs:
         bar:baz
   - name: trim
     deprecated: Use [`strings.Trim`](#strings-trim) instead
+    released: v1.4.0
     description: |
       **See [`strings.Trim`](#strings-trim) for a pipeline-compatible version**
 
diff --git a/docs-src/content/functions/test.yml b/docs-src/content/functions/test.yml
index a29ab03d..09bd1b02 100644
--- a/docs-src/content/functions/test.yml
+++ b/docs-src/content/functions/test.yml
@@ -5,6 +5,7 @@ preamble: |
 funcs:
   - name: test.Assert
     alias: assert
+    released: v2.7.0
     description: |
       Asserts that the given expression or value is `true`. If it is not, causes
       template generation to fail immediately with an optional message.
@@ -24,6 +25,7 @@ funcs:
         template: <arg>:1:3: executing "<arg>" at <assert "something ho...>: error calling assert: assertion failed: something horrible happened
   - name: test.Fail
     alias: fail
+    released: v2.7.0
     description: |
       Cause template generation to fail immediately, with an optional message.
     pipeline: true
@@ -39,6 +41,7 @@ funcs:
         template: <arg>:1:7: executing "<arg>" at <test.Fail>: error calling Fail: template generation failed: something is wrong!
   - name: test.IsKind
     alias: isKind
+    released: v3.8.0
     description: |
       Report whether the argument is of the given Kind. Can be used to render
       different templates depending on the kind of data.
@@ -88,6 +91,7 @@ funcs:
         - "key2": foobar
   - name: test.Kind
     alias: kind
+    released: v3.8.0
     description: |
       Report the _kind_ of the given argument. This differs from the _type_ of
       the argument in specificity; for example, while a slice of strings may
@@ -110,6 +114,7 @@ funcs:
         map
   - name: test.Required
     alias: required
+    released: v3.0.0
     description: |
       Passes through the given value, if it's non-empty, and non-`nil`. Otherwise,
       exits and prints a given error message so the user can adjust as necessary.
@@ -149,6 +154,7 @@ funcs:
         template: <arg>:1:7: executing "<arg>" at <"config">: map has no entry for key "bogus"
   - name: test.Ternary
     alias: ternary
+    released: v3.1.0
     description: |
       Returns one of two values depending on whether the third is true. Note that the third value does not have to be a boolean - it is converted first by the [`conv.ToBool`](../conv/#conv-tobool) function (values like `true`, `1`, `"true"`, `"Yes"`, etc... are considered true).
 
diff --git a/docs-src/content/functions/time.yml b/docs-src/content/functions/time.yml
index 92ecd675..bc7b1e32 100644
--- a/docs-src/content/functions/time.yml
+++ b/docs-src/content/functions/time.yml
@@ -70,6 +70,7 @@ preamble: |
   For other durations, such as `2h10m`, [`time.ParseDuration`](#time-parseduration) can be used.
 funcs:
   - name: time.Now
+    released: v2.1.0
     description: |
       Returns the current local time, as a `time.Time`. This wraps [`time.Now`](https://golang.org/pkg/time/#Now).
 
@@ -103,6 +104,7 @@ funcs:
         ... ... BEEP
         ```
   - name: time.Parse
+    released: v2.1.0
     description: |
       Parses a timestamp defined by the given layout. This wraps [`time.Parse`](https://golang.org/pkg/time/#Parse).
 
@@ -129,6 +131,7 @@ funcs:
         Saturday October 23, 1993 UTC
         ```
   - name: time.ParseDuration
+    released: v2.1.0
     description: |
       Parses a duration string. This wraps [`time.ParseDuration`](https://golang.org/pkg/time/#ParseDuration).
 
@@ -147,6 +150,7 @@ funcs:
         12:43AM
         3:13AM
   - name: time.ParseLocal
+    released: v2.2.0
     description: |
       Same as [`time.Parse`](#time-parse), except that in the absence of a time zone
       indicator, the timestamp wil be parsed in the local timezone.
@@ -166,6 +170,7 @@ funcs:
         06:00 EST
         ```
   - name: time.ParseInLocation
+    released: v2.2.0
     description: |
       Same as [`time.Parse`](#time-parse), except that the time is parsed in the given location's time zone.
 
@@ -189,6 +194,7 @@ funcs:
         06:00 LMT
         ```
   - name: time.Since
+    released: v2.5.0
     description: |
       Returns the time elapsed since a given time. This wraps [`time.Since`](https://golang.org/pkg/time/#Since).
 
@@ -203,6 +209,7 @@ funcs:
         $ gomplate -i '{{ $t := time.Parse time.RFC3339 "1970-01-01T00:00:00Z" }}time since the epoch:{{ time.Since $t }}'
         time since the epoch:423365h0m24.353828924s
   - name: time.Unix
+    released: v2.1.0
     description: |
       Returns the local `Time` corresponding to the given Unix time, in seconds since
       January 1, 1970 UTC. Note that fractional seconds can be used to denote
@@ -226,6 +233,7 @@ funcs:
         Jan  2 10:17:36.789
         ```
   - name: time.Until
+    released: v2.5.0
     description: |
       Returns the duration until a given time. This wraps [`time.Until`](https://golang.org/pkg/time/#Until).
 
@@ -248,6 +256,7 @@ funcs:
         only 14923h0m0s to go...
         ```
   - name: time.ZoneName
+    released: v2.1.0
     description: |
       Return the local system's time zone's name.
     pipeline: false
@@ -256,6 +265,7 @@ funcs:
         $ gomplate -i '{{time.ZoneName}}'
         EDT
   - name: time.ZoneOffset
+    released: v2.2.0
     description: |
       Return the local system's time zone offset, in seconds east of UTC.
     pipeline: false
diff --git a/docs-src/content/functions/tmpl.yml b/docs-src/content/functions/tmpl.yml
index 776f385b..54791dc6 100644
--- a/docs-src/content/functions/tmpl.yml
+++ b/docs-src/content/functions/tmpl.yml
@@ -4,6 +4,7 @@ preamble: |
   Functions for defining or executing templates.
 funcs:
   - name: tmpl.Exec
+    released: v3.3.0
     description: |
       Execute (render) the named template. This is equivalent to using the [`template`](https://golang.org/pkg/text/template/#hdr-Actions) action, except the result is returned as a string.
 
@@ -25,6 +26,7 @@ funcs:
         Hello, World!
   - name: tmpl.Inline
     alias: tpl
+    released: v3.3.0
     description: |
       Render the given string as a template, just like a nested template.
 
@@ -56,6 +58,7 @@ funcs:
         hello world
         goodbye world
   - name: tmpl.Path
+    released: v3.11.0
     description: |
       Output the path of the current template, if it came from a file. For
       inline templates, this will be an empty string.
@@ -75,6 +78,7 @@ funcs:
         this template is in subdir/input.tpl
         ```
   - name: tmpl.PathDir
+    released: v3.11.0
     description: |
       Output the current template's directory. For inline templates, this will
       be an empty string.
diff --git a/docs-src/content/functions/uuid.yml b/docs-src/content/functions/uuid.yml
index e575d78f..09c8d48d 100644
--- a/docs-src/content/functions/uuid.yml
+++ b/docs-src/content/functions/uuid.yml
@@ -14,6 +14,7 @@ preamble: |
   [log an issue]: https://github.com/hairyhenderson/gomplate/issues/new
 funcs:
   - name: uuid.V1
+    released: v3.4.0
     description: |
       Create a version 1 UUID (based on the current MAC address and the current date/time).
 
@@ -24,6 +25,7 @@ funcs:
         $ gomplate -i '{{ uuid.V1 }}'
         4d757e54-446d-11e9-a8fa-72000877c7b0
   - name: uuid.V4
+    released: v3.4.0
     description: |
       Create a version 4 UUID (randomly generated).
 
@@ -34,6 +36,7 @@ funcs:
         $ gomplate -i '{{ uuid.V4 }}'
         40b3c2d2-e491-4b19-94cd-461e6fa35a60
   - name: uuid.Nil
+    released: v3.4.0
     description: |
       Returns the _nil_ UUID, that is, `00000000-0000-0000-0000-000000000000`,
       mostly for testing scenarios.
@@ -43,6 +46,7 @@ funcs:
         $ gomplate -i '{{ uuid.Nil }}'
         00000000-0000-0000-0000-000000000000
   - name: uuid.IsValid
+    released: v3.4.0
     description: |
       Checks that the given UUID is in the correct format. It does not validate
       whether the version or variant are correct.
@@ -59,6 +63,7 @@ funcs:
         $ gomplate -i '{{ uuid.IsValid "urn:uuid:12345678-90ab-cdef-fedc-ba9876543210" }}'
         true
   - name: uuid.Parse
+    released: v3.4.0
     description: |
       Parse a UUID for further manipulation or inspection.