Unreal Engine Issues

Setting Fixed Frame Rate Prevents Particle Collision In PIE, Standalone, and Packaged Game

If you set the project to use a fixed frame rate, particle collision no longer works. ...

Converted 4.7.2 project crashes on open after successful recompile

User's Project is crashing since converting to 4.7.2. I have attached the project itself below, but after conversations with the user and seeing pieces of the project, this issue may be related to ...

Textures are Blurry when Scaling an Actor While r.Streaming.DropMips is Set to 2

If a BP actor containing textured static meshes starts with a small transform scale, when scaled up, the texture streamer fails to load in the higher mips and the texture looks blurry. Working as e ...

Split screen - Player 2 doesn't receive input when created with Create Local Player node

This is a regression. Tested in //UE5/Release-5.0 CL20979098. Split screen extra controllers ignored when using Create Local Player node. May just be Enhanced Input related. ...

Migrating a project from UE5.2 to UE5.3.1, there was a difference in the navmesh generated on HISM

HISM is generated by ConstructionScript Actor is placed on the level and navmesh is generated on top of HISM. In UE5.2, the navmesh was generated without splitting on the HISM. In UE5.3, a break occ ...

Objects with physics enabled do not show up in 4.7 preview 2 (when upgraded form 4.6)

After upgrading from 4.6 to 4.7 preview 2 objects that are set to simulate physics will not show up if the user uses the mobile preview. ...

Frame specific functionality unusable in Composite/Montage editors post 5.2 changes

Part of the changes for 5.2 required UAnimCompositeBase::GetSamplingFrameRate to be changed to return a very high framerate.  This has the unintended consequence of effectively making the functional ...

Fix up redirectors can fail if some packages were already checked out

Fix the skeletal mesh merge tool material assignment, change the API to avoid confusion

UDN user ask us to change the API for the material to remove confusion with the material ID. Also apparently there is an issue with the skeletal mesh merge tool, the user did not give any repro ste ...

Level Bounds Incorrectly Calculated If Particle System Does Not Have "Use Fixed Relative Bounding Box" Enabled

If "Use Relative Fixed Bounding Box" is disabled, level bounds will be incorrectly calculated. This seems to be similar to [Link Removed]. Found in 4.19 CL# 4033788, 4.20 CL# 4212847, 4.21 CL# 4233 ...