Unreal Engine Issues

BuildPatchTool doesn't finish if enabled building Http Chunk on Mac

We may fix this issue by the following codes. FPakPlatformFile::FPakPlatformFile(): LowerLevel(NULL) ,bSigned(false) { // remove //FCoreDelegates::GetRegisterEncryptionKeyMulticas ...

InitSDL() failed error when launching onto Linux

When launching onto Linux, the launch on fails Also tried launching on with QA-Promotion, still failed with same error, ruling out water ...

Attach track in the Audio track of Level Sequence becomes Unresolved Binding when the Editor is restarted.

It looks like the Actor's Binding information has not been saved successfully. ...

Crash when setting Retainerbox scale is set to 0 at runtime

Crash at runtime when Retainerbox scale is set to 0. The call stack indicates that the size of RenderTarget2D is set to 0. Attached repro project sets the scale of the RetainerBox that wraps the Im ...

Toggle Pose Watch in AnimBP not working with Root Motion from Everything

Combobox navigation does not work consistently

Navigation on combo box widgets will sometimes fail until the combo box close button is pressed, despite it not being open. This appears to be related to accessibility features added in CL# 13258546 ...

Sequence with null skeletal track sections crashes on load

Add contents of the zip file to your 4.26 project. Open the level sequence.  EXPECTED: It shoudln't crash. Log will print saying that it removed some animation sections. ...

Variables changed in RecastNavMesh Generation tab do not save

Confirmed this issue in 4.25.4, 4.26, and 4.26.1 therefore it is not a regression. Uploaded logs from 4.25.4 and 4.26.1, the backup logs are before the restart (step 5 in repro steps) ...

Failure to add key and potential crash when adding keyframe to sequence through details panel

There is the potential for a crash when adding a key through the details panel. In cases where there is no crash the key is not added.  ...

[Sound Submix] - Dry Level of a Submix is calculated differently whether or not there is an effect in the chain

There is a discrepancy is how the output volume of a submix is calculated when the effect chain is and is not populated. When there is no effect on the submix, the Dry Level adds additional gain to ...