Unreal Engine Issues

RigElement names cannot be any CJK characters due to illegal characters

Adding a water island when substrate is true will flatten the landscape

When a landscape weightmap or heightmap update is required, ALandscape::ResolveLayersTexture is called via the ALandscape::UpdateLayersContent() The problem appears to be that all pixels in the Out ...

Preview rendering does not update when slider is moved below 0.0 in timeline on in Niagara Editor.

Workaround in UE5.3:  UNiagaraComponent::TickComponent             if (AgeDiff < 0.0f)             {                 SystemInstanceController->Reset(FNiagaraSystemInstance::EResetMode::ResetAl ...

[Mootools Bug] SKP Import - Applied texture maps from previous Twinmotion versions are lost after reimport in TM 2025.1.1

Reported in SF [Link Removed] For SKP imports that were added to a file in a previous version of Twinmotion, when the .tm file is concerted to and opened in TM 2025.1.1, if the SKP model is re-impo ...

Crash in Persona when adding Notifies

REOPENED NOTES: Crash Reporter: [Link Removed] Test Project: [Link Removed] Open project and press Play: Editor will crash. User reports this being due to sequential animations not being the sam ...

"Failed to Merge Bones" window can pop up repeatedly with no "...to all" option

User is experiencing a situation where he gets this window 200 times and no way to get out of it with a single click. ...

Mobile Preview dynamic shadows not showing on Mac

When Using mobile preview in the 4.7 preview build, or in the changelist provided, Dyanmic lighting is not showing shadows when changed to movable. Following the steps below, you will see no shado ...

Opening a level in PIE after adding a variable to a struct referenced in the GameInstance crashes this project

This user's project crashes on opening a level in PIE after adding a variable to a struct referenced in the GameInstance. Note that I had to do this twice to get the crash to occur. The project can ...

Huge game window when launching onto Safari 9.1.2

The game window in the Safari browser expands to a huge size along the Y axis. We do not see this issue on Safari version 10. The game window expands for about 5 minutes before the game is playab ...

Edit-> Project Settings -> Collision -> Presets Has No Scroll Bar

If you open a project and immediately go to Edit-> Project Settings -> Collision and expand the Presets dropdown, no scroll bar will appear. This prevents you from being able to see all of the optio ...