CHANGELOG: add v2.6 changes

Author: mortend

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Unreleased
 
+## 2.6
+
+### Fuse.Platform
+- Device orientation for iOS 16 compatibility (#1454)
+
+### Fuse.Scripting
+- Add `Context.Stringify()` method (#1455)
+
+### Other changes
+- Add `Fuse.Alerts` to doc-export (#1456)
+
+[`v2.5.0...v2.6.0`](https://github.com/fuse-open/fuselibs/compare/v2.5.0...v2.6.0)
+
 ## 2.5
 
 ### Fuse.Controls.WebView