Unreal Engine Issues

RebuildRenderData is still not safe during cook time

https://answers.unrealengine.com/questions/215370/some-sprites-tiling-into-tiny-grid-in-packaged-ver.html UTexture2D::ConditionalPostLoad doesn't wait for the render data to finish caching outside ...

API to get tile center/corner/etc... locations is not exposed to Blueprints

No way to 'make editable' a tile map component using an asset

Cache Uniform Expressions per-sprite is tanking performance

See screenshot for an example with 5000 sprites being rendered. It's eating up 30 ms just for that. ...

Automatic collision generation is incorrectly rotated for sprites that were imported as rotated from a sprite sheet

Automatic collision generation is incorrectly rotated for sprites that were imported as rotated from a sprite sheet ...

Sprite sheets with modified textures don't reimport correctly

Also reproduced in Main Promotable-CL-2479729 paper2Dsprites assets created from Texture Packer can no longer be reimported into the engine with version 4.7 ...

Body elements of a Paper Terrain Spline Data Assets do not have collision

Body elements of a Paper Terrain Spline Data Assets do not have collision. When the second handle is dragged to lengthen the spline, only the Start and End Caps show collision. The end cap will show ...

Sprites with non-center pivots can be invisible in thumbnail renders

Paper Terrain splines should not allow 'in/out of plane' movement

They are effectively 2D and spline points should be constrained as such. We should snap them to the XZ plane in component to avoid issues and make it nicer for users. ...

Sprites don't initialize PixelsPerUnrealUnit in cooked builds, causing invalid values for GetSocketLocation, etc... for assets that have Pixels/uu of 2.56

In this user's project, playing in Launched or Packaged games causes the Get Socket Location to return an unusual report when used during a flipbook animation. Instead of a normal vector, the Print ...