I can see a changelog in the docs

docs/docs/changelog/changelog.md

@@ -0,0 +1,99 @@
+---
+id: changelog 
+title: Changelog 
+slug: /changelog/
+---
+
+export const SinceVersion = ({versionCloud, versionPlatform}) => (
+<p>
+<span style={{backgroundColor: '#25c2a0',borderRadius: '7px',color: '#fff',padding: '0.2rem',marginRight: '0.5rem'}}>Camunda Cloud: {versionCloud}</span>
+<span style={{backgroundColor: '#1877F2',borderRadius: '7px',color: '#fff',padding: '0.2rem',}}>Camunda Platform: {versionPlatform}</span>
+</p>
+);
+
+This page contains an overview of the released versions and highlights the major changes from a user
+point of view (i.e. focus on features). The complete changelog, including the patch
+versions, can be found on the [GitHub release page](https://github.com/camunda/feel-scala/releases).
+
+## 1.14
+
+<SinceVersion versionCloud="1.3.1" versionPlatform="not yet" />
+
+**Built-in functions:**
+
+* New function [extract()](../reference/builtin-functions/feel-built-in-functions-string.md#extract)
+  that applies a regular expression to a given a string
+* New
+  function [string join()](../reference/builtin-functions/feel-built-in-functions-list.md#string-join)
+  that merges a list of strings into a single string
+* New [range functions](../reference/builtin-functions/feel-built-in-functions-range.md) to compare
+  ranges and scalar values
+* New functions to round numeric values:
+  * [round up()](../reference/builtin-functions/feel-built-in-functions-numeric.md#round-up)
+  * [round down()](../reference/builtin-functions/feel-built-in-functions-numeric.md#round-down)
+  * [round half up()](../reference/builtin-functions/feel-built-in-functions-numeric.md#round-half-up)
+  * [round half down()](../reference/builtin-functions/feel-built-in-functions-numeric.md#round-half-down)
+* Extend function [abs()](../reference/builtin-functions/feel-built-in-functions-temporal.md#abs) for
+  duration values
+
+See the full changelog [here](https://github.com/camunda/feel-scala/releases/tag/1.14.0).
+
+## 1.13
+
+<SinceVersion versionCloud="1.0.0" versionPlatform="7.15.0" />
+
+**Expressions:**
+
+* Access the property [weekday](../reference/language-guide/feel-temporal-expressions.md#properties)
+  of date and date-time values
+* Allow escape sequences in [string literals](../reference/language-guide/feel-data-types.md#string)
+
+**Built-in functions:**
+
+* New
+  function [context()](../reference/builtin-functions/feel-built-in-functions-conversion.md#context)
+  that creates a context from a given key-value list
+* New function [put()](../reference/builtin-functions/feel-built-in-functions-context.md#put) that
+  extends a context by a given entry
+* New
+  function [put all()](../reference/builtin-functions/feel-built-in-functions-context.md#put-all)
+  that merges the given contexts
+
+See the full changelog [here](https://github.com/camunda/feel-scala/releases/tag/1.13.0).
+
+## 1.12
+
+<SinceVersion versionCloud="0.25.0" versionPlatform="7.14.0" />
+
+**Built-in functions:**
+
+* New function [now()](../reference/builtin-functions/feel-built-in-functions-temporal.md#now) that
+  returns the current date-time
+* New function [today()](../reference/builtin-functions/feel-built-in-functions-temporal.md#today)
+  that returns the current date
+* New
+  function [week of year()](../reference/builtin-functions/feel-built-in-functions-temporal.md#week-of-year)
+  that returns the number of the week within the year
+* New
+  function [month of year()](../reference/builtin-functions/feel-built-in-functions-temporal.md#month-of-year)
+  that returns the name of the month
+* New
+  function [day of week()](../reference/builtin-functions/feel-built-in-functions-temporal.md#day-of-week)
+  that returns name of the weekday
+* New
+  function [day of year()](../reference/builtin-functions/feel-built-in-functions-temporal.md#day-of-year)
+  that returns the number of the day within the year
+
+See the full changelog [here](https://github.com/camunda/feel-scala/releases/tag/1.12.0).
+
+
+## 1.11
+
+<SinceVersion versionCloud="0.23.0" versionPlatform="7.13.0" />
+
+**Expressions:**
+
+* Access the [element of a list](../reference/language-guide/feel-list-expressions.md#get-element) using a numeric variable
+* Disable [external functions](../reference/language-guide/feel-functions.md#external) by default for security reasons
+
+See the full changelog [here](https://github.com/camunda/feel-scala/releases/tag/1.11.0).

docs/docs/reference/builtin-functions/feel-built-in-functions-numeric.md

@@ -26,8 +26,11 @@ decimal(2.5, 0, "half_up")
 
 ## floor()
 
+Round the given number at the given scale using the flooring rounding mode.
+
 * parameters:
   * `n`: number
+  *  (optional) `scale`: number (default: `0`)
 * result: number
 
 ```js
@@ -36,24 +39,127 @@ floor(1.5)
 
 floor(-1.5)
 // -2
+
+floor(-1.56, 1)
+// -1.6
 ```
 
 ## ceiling()
 
+Round the given number at the given scale using the ceiling rounding mode.
+
 * parameters:
   * `n`: number
+  *  (optional) `scale`: number (default: `0`)
 * result: number
 
 ```js
 ceiling(1.5)
 // 2
 
-floor(-1.5)
+ceiling(-1.5)
 // -1
+
+ceiling(-1.56, 1)
+// -1.5
+```
+
+## round up()
+
+Round the given number at the given scale using the round-up rounding mode.
+
+* parameters:
+  * `n`: number
+  *  (optional) `scale`: number (default: `0`)
+* result: number
+
+```js
+round up(5.5) 
+// 6
+
+round up(-5.5)
+// -6
+
+round up(1.121, 2)
+// 1.13
+
+round up(-1.126, 2)
+// -1.13
+```
+
+## round down()
+
+Round the given number at the given scale using the round-down rounding mode.
+
+* parameters:
+  * `n`: number
+  *  (optional) `scale`: number (default: `0`)
+* result: number
+
+```js
+round down(5.5)
+// 5
+
+round down (-5.5)
+// -5
+
+round down (1.121, 2)
+// 1.12
+
+round down (-1.126, 2)
+// -1.12
+```
+
+## round half up()
+
+Round the given number at the given scale using the round-half-up rounding mode.
+
+* parameters:
+  * `n`: number
+  *  (optional) `scale`: number (default: `0`)
+* result: number
+
+```js
+round half up(5.5) 
+// 6
+
+round half up(-5.5)
+// -6
+
+round half up(1.121, 2) 
+// 1.12
+
+round half up(-1.126, 2)
+// -1.13
+```
+
+## round half down()
+
+Round the given number at the given scale using the round-half-down rounding mode.
+
+* parameters:
+  * `n`: number
+  *  (optional) `scale`: number (default: `0`)
+* result: number
+
+```js
+round half down (5.5)
+// 5
+
+round half down (-5.5)
+// -5
+
+round half down (1.121, 2)
+// 1.12
+
+round half down (-1.126, 2)
+// -1.13
 ```
 
 ## abs()
 
+Returns the absolute value of the given numeric value.
+
 * parameters:
   * `number`: number
 * result: number
@@ -121,22 +227,32 @@ exp(5)
 
 ## odd()
 
+Returns `true` if the given numeric value is odd. Otherwise, it returns `false`.
+
 * parameters:
   * `number`: number
 * result: boolean
 
 ```js
 odd(5)
 // true
+
+odd(2)
+// false
 ```
 
 ## even()
 
+Returns `true` if the given numeric value is even. Otherwise, it returns `false`.
+
 * parameters:
   * `number`: number
 * result: boolean
 
 ```js
-odd(5)
+even(5)
 // false
+
+even(2)
+// true
 ```

docs/docusaurus.config.js

@@ -32,6 +32,12 @@ module.exports = {
           label: "Samples",
           position: "left",
         },
+        {
+          to: "docs/changelog/",
+          activeBasePath: "docs/changelog",
+          label: "Changelog",
+          position: "left",
+        },
         {
           type: 'docsVersionDropdown',
           position: 'right',

docs/sidebars.js

@@ -49,5 +49,8 @@ module.exports = {
     'samples/temporal-samples',
     'samples/list-samples',
     'samples/context-samples'
-  ]
+  ],
+  "Changelog": [
+      'changelog/changelog'
+  ],
 };