Added changelog for version 26.02.1.

Author: jlesage

appdefs.yml

@@ -186,6 +186,19 @@ app:
           > to `BETA`. See the [Environment Variables](#environment-variables) section for
           > more details.
   changelog:
+    - version: 26.02.1
+      date: 2026-02-18
+      changes:
+        - 'Updated baseimage to version 4.11.0, bringing the following end-user improvements:'
+        - '2:Added a web terminal providing shell access to the container.'
+        - '2:Fixed audio being paused when switching to another browser tab.'
+        - '2:Web file manager is now displayed in a modal window.'
+        - '2:Fixed several web file manager issues:'
+        - '3:Uploading zero-byte files no longer fails.'
+        - '3:Interrupted uploads no longer interfere with other uploads.'
+        - '3:Error reporting is now more accurate.'
+        - '2:Improved web services server stability and reliability.'
+        - '2:Updated TigerVNC to 1.16.0 and X server to 21.1.21.'
     - version: 26.01.2
       date: 2026-01-30
       changes: