Unable to select SimplePivotPainterExampleMat Instance's parameter settings if Param button is disabled

Tools - Aug 31, 2017

When going through the engine content you are unable to select SimplePivotPainterExampleMat Instance's parameter settings if Param button is disabled. If the button is enabled the settings appeared ...

Undo function breaks local variables in Blueprint Function after compiling

UE - Gameplay - Oct 8, 2020

Blueprint functions appear to correctly associate local variables when renaming the function. However when undoing a rename with ctrl-z the local variables appear to lose their association. Redoing ...

Geometry Collection Actors do not respond with the appropriate Actor nor Component for OnComponentHit events

UE - Simulation - Physics - Solver - Apr 22, 2022

Geometry Collection Actors do not respond with the appropriate Actor nor Component for OnComponentHit events. Upon placing a breakpoint after following the steps to reproduce, you can see that the O ...

Translation Editor submenu does not open

UE - Editor - UI Systems - Localization - Dec 10, 2014

Currently, if a user turns on the experimental feature "Translation Editor", then attempts to access the submenu for it, the submenu will not open. Note: This has worked in internal builds since 4 ...

OnMovieClipFinished returns the incorrect movie name

Tools - Jun 29, 2017

When OnMovieClipFinished is called, it will return the name of the movie clip that is about to be played rather than the clip that had just finished. Regression: Yes This did not occur in 4.15.3 B ...

Vertex Colors distort after merge actors is used

OLD - Anim - Sep 11, 2017

When using the merge actor tools with Vertex colors painted on, the resulting mesh will have those colors distorted. This issue occurs only with the resulting static mesh. This issue is a regression ...

Default Material applied to assets when Creating a Destructible Mesh

UE - Simulation - Physics - Destruction - Oct 30, 2018

Creating a Destructible Mesh from a Static Mesh isn't carrying over the Material applied to the Static Mesh. The following warning is generated when the Mesh is created and when it is fractured:LogA ...

SteamSockets not setup to handle Client/Session ID handshakes

UE - Online - Jan 13, 2023

Repro Rate: 3/3 This is a live issue where the customer claims that the SteamSockets implementaton is not setup to handle the new Client and Session Id setup that was introduced in 5.1. This issue ...

Sequencer in packaged VR project does not appear to work when using sequence player on begin play

UE - Anim - Sequencer - Sep 27, 2016

Sequencer in packaged VR project does not appear to work when using sequence player on begin play. The HMD no longer appears to be affected by sequencer after the project has been packaged out ...

Import options broken when importing bones-only fbx animation

OLD - Anim - Jun 19, 2015

This bug is being entered for integration purposes. This is already fixed in 4.9 Main with one of Lina's changes (CL:2584657). Wanted to try and get this into a 4.8 hotfix ...