Updated Changelog (markdown)

Changelog.md

@@ -1,6 +1,25 @@
 # Ryujinx Changelog
 All updates to the Ryujinx official master build will be documented in this file
 
+##1.0.6423 - 2021-01-26
+### Fixed
+- Fixed a regression that broke compute shader code dumping.
+  - This is a developer-only function and does not affect emulator operation during gameplay.
+
+##1.0.6421 - 2021-01-26
+### Added
+- Add support for shader atomic min/max operations.
+  - Fixes missing graphics on Disgaea 6 Demo.
+
+##1.0.6419 - 2021-01-26
+### Added
+- Implemented a prfm instruction variant.
+  - Fixes a missing opcode crash in Edna & Harvey: Harvey's New Eyes and Deponia.
+
+##1.0.6418 - 2021-01-26
+### Changed
+- Increase the controller input window size to prevent the controller input window from scrolling.
+
 ## 1.0.6407 - 2021-01-24
 ### Changed
 - Prevent the display from sleeping whilst a game is running on Windows.