DOC-3212: add changelog for TinyMCE 7.7.0 release notes.

Author: kemister85

modules/ROOT/pages/changelog.adoc

@@ -4,6 +4,52 @@
 
 NOTE: This is the {productname} Community version changelog. For information about the latest {cloudname} or {enterpriseversion} Release, see: xref:release-notes.adoc[{productname} Release Notes].
 
+== xref:7.7.0-release-notes.adoc[7.7.0 - 2025-02-19]
+
+=== Added
+* `link_attributes_postprocess` option that allows overriding attributes of a link that would be inserted through the link dialog.
+// #TINY-11707
+
+=== Improved
+* Improved visual indication of a keyboard focus for a comment annotation when there is an image inside.
+// #TINY-11596
+* Not specifying a notification type (or specifying incorrect one) now defaults to 'info'.
+// #TINY-11661
+* Improved visual separation of comments side panel header.
+// #TINY-11715
+
+=== Changed
+- Changed the `link` plugin behavior to move the cursor behind a link when inserted or edited via the UI. Patch contributed by Philipp91.
+// ##GH-9998
+
+=== Fixed
+* Keyboard navigation for size inputs in context forms.
+// #TINY-11394
+* Keyboard navigation for context form sliders.
+// #TINY-11482
+* The `insertContent` API was not replacing selected non-editable elements correctly.
+// #TINY-11714
+* Context toolbar inputs had incorrect margins.
+// #TINY-11624
+* Iframe aria text used to suggest to open help dialog even when the help plugin was not enabled.
+// #TINY-11672
+* Preview Dialog incorrectly opened anchor links in a new tab.
+// #TINY-11740
+* The `float` property was not properly removed on the image when converting a image into a captioned image.
+// #TINY-11670
+* Expanding selection to a word didn't work inside inline editing host elements.
+// #TINY-11304
+* The `semantics` element in MathML was not properly retained when `annotation` elements was allowed.
+// #TINY-11755
+* It was possible to tab to a toolbar group that had all children disabled.
+// #TINY-11665
+* Keyboard navigation would get stuck on the 'more' toolbar button.
+// #TINY-11762
+* Toolbar groups had both a `title` attribute and a custom tooltip, causing overlapping tooltips.
+// #TINY-11768
+* Toolbar text field was properly rendering focus.
+// #TINY-11658
+
 == xref:7.6.1-release-notes.adoc[7.6.1 - 2025-01-22]
 
 === Fixed