Update changelog, convert to Markdown

CHANGELOG

@@ -1,42 +0,0 @@
-1.2
-
-- Store the initial governor state on mode enter
-- Config now supports defaultgov and desiredgov
-- Add soft real-time scheduling support on kernels supporting SCHED_ISO
-  (softrealtime config option) and support for renice-ing games to a higher
-  priority (renice config option) (contributed by Kai Krakow)
-- Make service D-Bus activated rather than requiring it to be explicitly
-  enabled in systemd (contributed by Christian Kellner)
-- Make libraries properly versioned (contributed by Christian Kellner)
-
-1.1
-
-- Cascaded config file loading
-- gamemode_query_status function
-- '-r' (request) and '-s' (status) for gamemoded
-- User defined script plugins in the config file
-- User defined reaper thread frequency
-- Various code refactors and fixes
-- systemd status messages
-- release management scripts
-- inih moved to a git submodule
-
-1.0
-
-- Fixed and cleaned up README file
-- Config file parsing
-- Man page
-- Example PKGBUILD file
-- Bug fix for missing pthread_rwlock_init
-
-0.2
-
-- Updated meson build to improve compatibility, configuration and development
-- cpugovctl now uses polkit
-- Fixed potential threading issues
-- Added option to use the system d-bus for the daemon rather than systemd
-- Various code style and standards related improvements
-
-0.1
-
-- Initial release

CHANGELOG.md

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+## 1.3
+
+### Changes
+
+* Disable screensaver when the game is running (can help when playing with gamepad or joystick).
+* Add a `gamemoderun` helper script to do the necessary setup (set `LD_PRELOAD`) to enable GameMode on games which do not support it themselves.
+* Add tests for GameMode functionality (run with `gamemoded -t`).
+* Support for overclocking on NVIDIA GPUs (experimental, use at your own risk). See `example/gamemode.ini` for further details.
+* Support for configuring performance level on AMD GPUs (experimental, use at your own risk). See `example/gamemode.ini`.
+* Increase I/O priority of game processes.
+* `softrealtime` and `renice` options are no longer enabled by default since they require extra system configuration to work. See `example/gamemode.ini`
+* Add supervisor API which allows requesting GameMode on behalf of another process.
+* Various other minor fixes and improvements.
+
+### Contributors
+
+* Marc Di Luzio @mdiluz
+* Kai Krakow @kakra
+* Matthias Gerstner @mgerstner
+* Suvayu Ali @suvayu
+* Térence Clastres @terencode
+
+## 1.2
+
+### Changes
+
+* Store the initial governor state on mode enter.
+* Config now supports `defaultgov` and `desiredgov`.
+* Add soft real-time scheduling support on kernels supporting SCHED_ISO (`softrealtime` config option) and support for renice-ing games to a higher priority (`renice` config option) (contributed by Kai Krakow).
+* Make service D-Bus activated rather than requiring it to be explicitly enabled in systemd (contributed by Christian Kellner).
+* Make libraries properly versioned (contributed by Christian Kellner).
+
+## 1.1
+
+### Changes
+
+* Cascaded config file loading.
+* `gamemode_query_status` function.
+* `-r` (request) and `-s` (status) for gamemoded.
+* User defined script plugins in the config file.
+* User defined reaper thread frequency.
+* Various code refactors and fixes.
+* systemd status messages.
+* release management scripts.
+* inih moved to a git submodule.
+
+## 1.0
+
+### Changes
+
+* Fixed and cleaned up README file.
+* Config file parsing.
+* Man page.
+* Example PKGBUILD file.
+* Bug fix for missing `pthread_rwlock_init`.
+
+## 0.2
+
+### Changes
+
+* Updated meson build to improve compatibility, configuration and development.
+* cpugovctl now uses polkit.
+* Fixed potential threading issues.
+* Added option to use the system d-bus for the daemon rather than systemd.
+* Various code style and standards related improvements.
+
+## 0.1
+
+Initial release.