Add v21.2 release notes

docs/app_changes.md

@@ -1,5 +1,10 @@
 # Magisk Manager Changelog
 
+### v8.0.4
+
+- A lot of stability changes and minor bug fixes
+- Collect device properties, app logcat, and Magisk logs when saving logs in the logs menu
+
 ### v8.0.3
 
 - Switch to the new Magisk Module Repo setup in preparation to allow 3rd party repos

docs/changes.md

@@ -1,5 +1,14 @@
 # Magisk Changelog
 
+### v21.2
+
+- [MagiskInit] Detect 2SI after mounting `system_root` on legacy SAR devices
+- [General] Make sure `post-fs-data` scripts cannot block more than 35 seconds
+- [General] Fix the `magisk --install-module` command
+- [General] Trim Windows newline when reading files
+- [General] Directly log to file to prevent `logcat` weirdness
+- [MagiskBoot] Fix header dump/load for header v3 images
+
 ### v21.1
 
 - [MagiskBoot] Support boot header v3 (Pixel 5 and 4a 5G)

docs/releases/21200.md

@@ -0,0 +1,14 @@
+## 2020.12.28 Magisk v21.2
+
+v21.2 is a maintenance update, mostly addressing bugs, and expanding device compatibility. Checkout the full [v21.0 release notes](https://topjohnwu.github.io/Magisk/releases/21000.html) if coming from older releases.
+
+### v21.2
+
+- [MagiskInit] Detect 2SI after mounting `system_root` on legacy SAR devices
+- [General] Make sure `post-fs-data` scripts cannot block more than 35 seconds
+- [General] Fix the `magisk --install-module` command
+- [General] Trim Windows newline when reading files
+- [General] Directly log to file to prevent `logcat` weirdness
+- [MagiskBoot] Fix header dump/load for header v3 images
+
+### Full Changelog: [here](https://topjohnwu.github.io/Magisk/changes.html)