(DOCS-15201): Add v5.2 language features to Stable API (#1138)

additions

fix links

add densify and locf

Author: jeff-allen-mongo

source/reference/stable-api-changelog.txt

@@ -150,6 +150,14 @@ The following table describes:
      - Stable API Version
      - Added to Stable API in Version
 
+   * - :group:`$bottom`
+     - V1
+     - MongoDB 6.0
+
+   * - :group:`$bottomN`
+     - V1
+     - MongoDB 6.0
+   
    * - :expression:`$dateAdd`
      - V1
      - MongoDB 6.0
@@ -166,10 +174,50 @@ The following table describes:
      - V1
      - MongoDB 6.0
 
+   * - :pipeline:`$densify`
+     - V1
+     - MongoDB 6.0
+
+   * - :group:`$firstN` (aggregation accumulator)
+     - V1
+     - MongoDB 6.0
+
+   * - :expression:`$firstN` (array operator)
+     - V1
+     - MongoDB 6.0
+
    * - :expression:`$getField`
      - V1
      - MongoDB 6.0
 
+   * - :group:`$lastN` (aggregation accumulator)
+     - V1
+     - MongoDB 6.0
+
+   * - :expression:`$lastN` (array operator)
+     - V1
+     - MongoDB 6.0
+
+   * - :group:`$locf`
+     - V1
+     - MongoDB 6.0
+
+   * - :group:`$maxN` (aggregation accumulator)
+     - V1
+     - MongoDB 6.0
+
+   * - :expression:`$maxN` (array operator)
+     - V1
+     - MongoDB 6.0
+
+   * - :group:`$minN` (aggregation accumulator)
+     - V1
+     - MongoDB 6.0
+
+   * - :expression:`$minN` (array operator)
+     - V1
+     - MongoDB 6.0
+
    * - :expression:`$setField`
      - V1
      - MongoDB 6.0
@@ -178,6 +226,18 @@ The following table describes:
      - V1
      - MongoDB 6.0
 
+   * - :expression:`$sortArray`
+     - V1
+     - MongoDB 6.0
+
+   * - :group:`$top`
+     - V1
+     - MongoDB 6.0
+
+   * - :group:`$topN`
+     - V1
+     - MongoDB 6.0
+
    * - :expression:`$tsIncrement`
      - V1
      - MongoDB 6.0

source/release-notes/6.0.txt

@@ -285,6 +285,16 @@ are supported in the Stable API:
      - Description
      - Stable API Version
 
+   * - :group:`$bottom`
+     - Returns the bottom element within a group according to the specified
+       sort order.
+     - V1
+
+   * - :group:`$bottomN`
+     - Returns an aggregation of the bottom ``n`` elements within a group,
+       according to the specified sort order.
+     - V1
+   
    * - :expression:`$dateAdd`
      - Increments a :doc:`Date </reference/method/Date>` object by a
        specified number of time units.
@@ -303,10 +313,54 @@ are supported in the Stable API:
      - Truncates a date.
      - V1
 
+   * - :pipeline:`$densify`
+     - .. include:: /includes/fact-densify-description.rst
+     - V1
+
+   * - :group:`$firstN` (aggregation accumulator)
+     - Returns an aggregation of the first ``n`` elements within a group.
+     - V1
+
+   * - :expression:`$firstN` (array operator)
+     - Returns a specified number of elements from the beginning of an
+       array. 
+     - V1
+
    * - :expression:`$getField`
      - Returns the value of a specified field from a document.
      - V1
 
+   * - :group:`$lastN` (aggregation accumulator)
+     - Returns an aggregation of the last ``n`` elements within a group.
+     - V1
+
+   * - :expression:`$lastN` (array operator)
+     - Returns a specified number of elements from the end of an
+       array.
+     - V1
+
+   * - :group:`$locf`
+     - .. include:: /includes/fact-locf-description.rst
+     - V1  
+
+   * - :group:`$maxN` (aggregation accumulator)
+     - Returns an aggregation of the maximum value ``n`` elements within
+       a group.
+     - V1
+
+   * - :expression:`$maxN` (array operator)
+     - Returns the ``n`` largest values in an array.
+     - V1
+
+   * - :group:`$minN` (aggregation accumulator)
+     - Returns an aggregation of the minimum value ``n`` elements within
+       a group.
+     - V1
+
+   * - :expression:`$minN` (array operator)
+     - Returns the ``n`` smallest values in an array.
+     - V1
+
    * - :expression:`$setField`
      - Adds, updates, or removes a specified field in a document.
      - V1
@@ -318,6 +372,20 @@ are supported in the Stable API:
        <setWindowFields-window-operators>`.
      - V1
 
+   * - :expression:`$sortArray`
+     - Sorts an array based on its elements.
+     - V1
+
+   * - :group:`$top`
+     - Returns the top element within a group according to the specified
+       sort order.
+     - V1
+
+   * - :group:`$topN`
+     - Returns an aggregation of the top ``n`` elements within a group,
+       according to the specified sort order.
+     - V1
+
    * - :expression:`$tsIncrement`
      - .. include:: /includes/tsIncrement-introduction.rst
      - V1