This is a major release, adding support for animated cursors, clipboard images, SDL GPU textures, saving more image formats, and loading and saving animated image sequences.

Here are the detailed API changes:

• Added IMG_GetClipboardImage() to get the image currently in the clipboard
• Added IMG_isANI() to detect animated cursors
• Added IMG_CreateAnimatedCursor() to create an animated cursor from an animation
• Added functions to save images:
  • IMG_Save()
  • IMG_SaveTyped_IO()
  • IMG_SaveBMP()
  • IMG_SaveBMP_IO()
  • IMG_SaveCUR()
  • IMG_SaveCUR_IO()
  • IMG_SaveGIF()
  • IMG_SaveGIF_IO()
  • IMG_SaveICO()
  • IMG_SaveICO_IO()
  • IMG_SaveTGA()
  • IMG_SaveTGA_IO()
  • IMG_SaveWEBP()
  • IMG_SaveWEBP_IO()
• Added functions to load images into GPU textures:
  • IMG_LoadGPUTexture()
  • IMG_LoadGPUTexture_IO()
  • IMG_LoadGPUTextureTyped_IO()
• Added functions to load animations:
  • IMG_LoadANIAnimation_IO()
  • IMG_LoadAPNGAnimation_IO()
  • IMG_LoadAVIFAnimation_IO()
• Added functions to load animations a frame at a time:
  • IMG_CreateAnimationDecoder()
  • IMG_CreateAnimationDecoder_IO()
  • IMG_CreateAnimationDecoderWithProperties()
  • IMG_GetAnimationDecoderFrame()
  • IMG_ResetAnimationDecoder()
  • IMG_CloseAnimationDecoder()
  • IMG_GetAnimationDecoderProperties()
  • IMG_GetAnimationDecoderStatus()
• Added functions to save animations:
  • IMG_SaveAnimation()
  • IMG_SaveAnimationTyped_IO()
  • IMG_SaveANIAnimation_IO()
  • IMG_SaveAPNGAnimation_IO()
  • IMG_SaveAVIFAnimation_IO()
  • IMG_SaveGIFAnimation_IO()
  • IMG_SaveWEBPAnimation_IO()
• Added functions to save animations a frame at a time:
  • IMG_CreateAnimationEncoder()
  • IMG_CreateAnimationEncoder_IO()
  • IMG_CreateAnimationEncoderWithProperties()
  • IMG_AddAnimationEncoderFrame()
  • IMG_CloseAnimationEncoder()