2.5.0:

Added support for texture arrays (deltakosh)
Added camera.isInFrustum and camera.isCompletelyInFrustum. Can be used with meshes, submeshes and boundingInfo (deltakosh)
Several memory allocation reduction (benaadams)
Several GPU state change reduction (benaadams)
MapTexture: add supersample mode to double font quality. (nockawa)
New invertUV parameter an all ribbon based shapes : ribbon, tube, lathe, basic and custom extrusion (jerome)
Text2D: new fontSuperSample setting to use high quality font (nockawa)
PerfCounter class added to monitor time/counter and expose min/max/average/lastSecondAverage/current metrics. Updated engine/scene current counter to use this class, exposing new properties as well to access the PerfCounter object (nockawa)
Better keyboard event handling which is now done at canvas level and not at window level (deltakosh)
New scene.hoverCursor property to define a custom cursor when moving mouse over meshes (deltakosh)

MapTexture: Font Characters are now correctly aligned on Chrome (nockawa)
Fixed some missing parameter default values in MeshBuilder.CreateGroundFromHeightMap() and MeshBuilder.CreateTiledGround() (jerome)
Fixed model shape initial red vertex color set to zero not formerly being taken in account in the SolidParticleSystem (jerome)
Canvas2D:
- Sprite2D: texture size is now set by default as expected
- Sprite2D: can have no id set
- ZOrder fixed in Primitives created inline
  
  Breaking changes