If you set the project to use a fixed frame rate, particle collision no longer works. ...
To avoid confusing users when working with a Native Branching Point Notify set its MontageTickType to be fixed to BranchingPoint. ...
Any Blueprint with accents in the name, coming from 4.19 won't open in 4.20. Double clicking the asset, trying to right click asset, results in no actions. When loading the project this message app ...
Enabling and processing root motion causes animation to rotate the wrong direction. Roll instead of Yaw. Pitch instead of roll etc. This error does not occur in UE 4.6. ...
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 ...
Garbage collection crash during opening cinematic. Note after crashing and relaunching the game the saved file appears as 8% complete instead of 0%. Note this crash is also occurring with //UE4/D ...
When doing overlap tests in PrimitiveComponent, UWorld->ComponentOverlapMulti is used. The callstack for that ends up looking like this (callstack is inverted, highest level on top): UWorld::Compo ...
AGameModeBase::GetGameSessionClass wasn't properly returning the set GameSessionClass. ...