Unreal Engine Issues

BaryCentric comparison inaccuracies

A user reported FMath::SegmentTriangleIntersection returning false negatives, seemingly due the results of FMath::ComputeBaryCentric2D being checked with strict inequality as opposed to non-strict i ...

High intensity pixels create artifacts with Bloom

EQS Overlap test no longer recognizes custom Collision Object Channel

Environment Queries Ignore tests for Custom Collision Object Overlaps. Note: The expected behavior seems to have worked in 4.21, After following the steps to reproduce, I can verify a successful de ...

NDisplay hangs and stops responding on cluster event send

"The test event is set up using the default CE port, but every time an event is sent through the launcher the display receives the input and processes it, however the launcher will "hang" and stop ...

Update DefaultEngine.ini file when open project settings tab.

There are no changes to the parameters in the .ini file, just the file has been updated. Source control becomes dirty by re-saving the file.  ...

Crash when AnimBlueprint and Bleuprint Interface has Same Name Function

When AnimBP and Blueprint Interface was added to the AnimBP has same name function, compiling AnimBP occur crash. ...

Texture Group MaxLODSize doesn't recognize changes to WorldNormalMap in DefaultDeviceProfiles.ini

When trying to change the MaxLODSize using DefaultDeviceProfiles.ini, some of the groups scale but others don't. This was reported and tested in 4.23.1 (CL-9631420). This was reproduced in 4.22.3 ...

Float RGBA Framebuffer rendering settings changes UI

When changing the rendering Frame Buffer Pixel setting from "10 bit RGB 2 bit alpha" to "Float RGBA".  The Editor's UI will change.  (Please see the attached screenshots for comparison) ...

Client Build Errors with VS 2019

When building UE 4.23 from source using VS 2019, there are compile errors when building the Targets DebugGame Client and Development Client. Note that Debug Client builds successfully. The errors ar ...

Restore state doesn't work in Blueprint actors when sequence is set to Allow Sequencer Edits Only

Blueprint actors do not having their states properly restored when only sequencer edits are allowed. The licensee has noticed that the USceneComponent* is different after edit in FComponentTransform ...