Added changelog for version 26.07.2.

Author: jlesage

appdefs.yml

@@ -186,6 +186,12 @@ app:
           > to `BETA`. See the [Environment Variables](#environment-variables) section for
           > more details.
   changelog:
+    - version: 26.07.2
+      date: 2026-07-13
+      changes:
+        - 'Updated baseimage to version 4.12.6, bringing the following changes:'
+        - '2:Fixed regression causing container startup failure when the container engine automatically mounts files under `/run`.'
+        - '2:Read-only filesystem support now requires exposing `/run` as a tmpfs.'
     - version: 26.07.1
       date: 2026-07-08
       changes: