Remove SDL_GL_CONTEXT_EGL #6657 (#6683)

docs/README-migration.md

@@ -234,6 +234,11 @@ SDL_SetWindowBrightness and SDL_SetWindowGammaRamp have been removed from the AP
 
 Programs which have access to shaders can implement more robust versions of those functions using custom shader code rendered as a post-process effect.
 
+
+Removed 'SDL_GL_CONTEXT_EGL' from OpenGL configuration attributes
+You can instead use 'SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);'
+
+
 ## SDL_hints.h
 
 The following hints have been removed: