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 ...

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 ...

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.  ...

UMovieSceneUserImportFBXSettings is not a blueprint type.

This class is needed for FBX importing through blueprints. It needs the BlueprintType class specifier. ...

Editor will crash on attempt to load a previously-saved Blueprint asset with a serialized default subobject containing a serialized static array of two or more nested subobject instances.

A crash will result if a Blueprint class that's based on a native C++ class containing two or more nested, explicitly-instanced subobjects referenced by a fixed-size object array property are serial ...

Enabling ChaosCaching plugin results in packaged game no longer opening

ChaosCaching plugin appears to break packaged games. No warnings/errors reported in the log or when attempting to open the produced .exe. My task manager does not show the game process running at al ...