1.28.0

Note: This release has breaking changes.

• FIX: Priority change should be reflected directly (#3564). (ab2fd639)
• FIX: Deprecate HasGameRef in favor of HasGameReference (#3559). (a882261b)
• FIX: The SpriteButton label should be nullable (#3557). (80a598cd)
• FIX: Update ordered_set, remove ComponentSet (#3554). (728e13f8)
• FEAT: Post Process API (#3404). (c3316ae4)
• FEAT: Add helper methods on LineSegment (translate, inflate, deflate, spread) (#3561). (6d388870)
• FEAT: Support for disabled state for SpriteButton (#3560). (eaa2b442)
• FEAT: Add a Render Context API (#3409). (532f0191)
• FEAT: Adding tickCount to TimerComponent (#3552). (dcd694e8)
• FEAT: Ability to reset SpriteAnimation on removal (#3553). (59ae5831)
• BREAKING FIX: Use 32bit Vector2 in Flame to be compatible with shaders and forge2d (#3515). (19dcecf5)