doc: changelog: add changelog page

Change-Id: I9575307b545ba72a1f3028234d2bece463da69b4

docsrc/changelog.rst

@@ -0,0 +1,39 @@
+Language revisions / Change log
+===============================
+
+Revision per CloudVision release
+--------------------------------
+
+.. csv-table::
+   :file: changelog_revision_per_release.csv
+   :header-rows: 1
+
+Change log
+----------
+
+Revision 4
+^^^^^^^^^^
+
+- Function :ref:`aggregate`
+- Function :ref:`unnestTimeseries`
+- Function :ref:`formatInt`
+- Function :ref:`formatFloat`
+- Function :ref:`strCut`
+- Filter :ref:`applyDeletes`
+
+Revision 3
+^^^^^^^^^^
+
+- Support for `named wildcards <index_doc.html#namedwildcards>`_ replaces variable substitution
+- Function :ref:`linregression`
+- Function :ref:`ewlinregression`
+- Filter :ref:`fields`
+- Filter :ref:`setFields`
+- Filter :ref:`renameFields`
+- Filter :ref:`topK`
+- Filter :ref:`bottomK`
+
+Revision 2
+^^^^^^^^^^
+
+No change to the AQL syntax or standard library.

docsrc/changelog_revision_per_release.csv

@@ -0,0 +1,13 @@
+CVP release,AQL revision
+CVaaS,4
+2023.2.*, 4
+2023.1.*, 4
+2022.3.*, 3
+2022.2.*, 3
+2022.1.*, 3
+2021.3.*, 3
+2021.2.*, 2
+2021.1.*, 2
+2020.3.*, 1
+2020.2.*, 1
+2020.1.*, 1

docsrc/index.rst

@@ -15,4 +15,5 @@ The AQL language can be used with Arista's CloudVision to configure dashboards,
    index_quicklearn
    index_doc
    index_stdlib
+   changelog
    index_examples