Add readme for 1.28.1

readme.txt

@@ -109,6 +109,11 @@ Web Stories are powered by [AMP](https://amp.dev/), which adds some restrictions
 
 For the plugin's full changelog, please see [the Releases page on GitHub](https://github.com/googleforcreators/web-stories-wp/releases).
 
+= 1.28.1 =
+
+* Fixes editor crashes when adding/uploading media.
+* Fixes an issue where non-admin users could not use the author dropdown.
+
 = 1.28.0 =
 
 * New feature: support for changing page advancement settings per individual page.
@@ -121,12 +126,11 @@ For the plugin's full changelog, please see [the Releases page on GitHub](https:
 * Fixes issues with the carousel and grid layouts in the Web Stories block.
 * Bug fixes and performance improvements.
 
-= 1.26.0 =
+== Upgrade Notice ==
 
-* New feature: support for taking over editing from another user.
-* Bug fixes and performance improvements.
+= 1.28.1 =
 
-== Upgrade Notice ==
+This release fixes an issue where the editor would inadvertently crash when adding media.
 
 = 1.28.0 =
 
@@ -135,7 +139,3 @@ This release includes support for page-level page advancement settings and toggl
 = 1.27.0 =
 
 This release adds support for changing page advancement defaults and fixes various bugs.
-
-= 1.26.0 =
-
-This release includes improvements to autosaves and story locking, and fixes various bugs.