Add v26.0 release notes

docs/changes.md

@@ -1,5 +1,22 @@
 # Magisk Changelog
 
+### v26.0
+
+- [General] Bump minimum supported Android version to Android 6.0
+- [General] New magic mount backend. It supports loading modules into system with `overlayfs` files injected
+- [Zygisk] Release new API version 4
+- [Zygisk] Prevent crashing daemon in error
+- [Zygisk] Rewrite zygote code injection with new loader library approach
+- [Zygisk] Rewrite code unloading implementation
+- [MagiskBoot] Support amonet microloader devices
+- [MagiskBoot] Always use lz4_legacy compression on v4 boot images. This fixes boot image patching issues on Android U preview.
+- [MagiskInit] Support replacing existing \*.rc files in `overlay.d`
+- [MagiskInit] Rewrite sepolicy.rules mounting and loading implementation
+- [App] Make stub patching 100% offline
+- [App] Support patching `init_boot.img` for Samsung ODIN firmware
+- [MagiskPolicy] Fix minor bug in command line argument parsing
+- [MagiskPolicy] Update rules to support Android U
+
 ### v25.2
 
 - [MagiskInit] Fix a potential issue when stub cpio is used