The release included a significant number of features for working with game controllers and joysticks, new platform-specific hints (hints) and some high-level requests.
Support for PS5 DualSense and Xbox Series X controllers has been added to the HIDAPI driver; added constants for new keys. SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS is now false by default to improve compatibility with modern window managers. Functions have been added for working with SIMD, localizations and comparing wchar strings without case sensitivity, more understandable names for RGB pixel format.
For Windows, the RAWINPUT driver has been added to support more than 4 Xbox controllers at the same time, along with the appropriate constants.
For macOS, features have been added to work with Metal.
For Linux, new hints have been added for PulseAudio and the thread scheduler.
On Android, you can now request a given permission from the system and set the audio behavior when the application is minimized.
Support for OS/2 has returned unexpectedly in SDL2.0.14 2.
Source: linux.org.ru