Improvements
[core/viewport] Allow RT mode to capture full scene automatically
[core/viewport] Allow to specify render target clear option and color in setTarget()
[core/profiling] Improve profiling (async threads, yields, etc)
[gfx/rendertarget] Allow specifying texture attributes as a table, as in Texture.new, and allow enabling mipmapping
[gfx/backend/metal] Handle mipmapping
Fixes
[core/font] Add missing [!l] closing tag
[gfx/backend/gl] New VBO allocation algorithm
[gfx/backend/gl] Don't assume depth buffer is only cleared on depth test enabling
[gfx/backend/gl] Optimize state change calls
[gfx/sprite] Add missing depthClear flag from setDepthStencil call
[gfx/font] Fix strikethrough placement
[gfx/backend/dx11] Fix depth testing
[core] Fix access issue in Buffer object