[Latest Macbook Pro][Metal] blinks severely

UE - Graphics Features - Apr 6, 2017

This bug causes the screen to flicker randomly, even in simple, blank third person project templates. Even the basic starter content, the main editor area is blinking all the time if the user chooses ...

Right click editor/Slate windows blackout after a while of repeatedly clicking them.

UE - Editor - UI Systems - Slate - Jun 8, 2022

Licensee video of the issue here - [Link Removed]  This can be worked around with this setting:  [Link Removed] However it is not a solution as this setting actually causes other programs, e.g. sl ...

The AND node always calculates all inputs

UE - Gameplay - Blueprint - Nov 5, 2015

The AND node always calculates all inputs, even if the first input fails as False. Probably related to [Link Removed] (currently unresolved, but a Select node-specific fix is mentioned in the comme ...

Handheld AR On IPad Has Dark Contrast Issues And Constant Screen Tearing When Mobile HDR Is Disabled

UE - Platform - XR - Mar 4, 2020

When MobileHDR is disabled in a packaged AR project for iOS there is a big constrast with the brightness in the image and constant screen tearing. This is happening specifically with images captured ...

Blueprint child asset is set moved to offset position when set to simulate physics

UE - Gameplay - Mar 3, 2015

When setting up a BP via the scene with the new method of adding components and converting to a BP the child component that is set to simulate physics enabled will be offset from its original positi ...

Cyrillic user name with Windows will prevent APEX cloth apb files from importing

OLD - Anim - Jan 29, 2015

When the user name on Windows is set to cyrillic importing APEX cloth assets will fail. I'm not sure what other systems this may also affect, but adding a cloth apb asset to a skeletal mesh will cau ...

Adding Niagara system to a projectile causes a crash

UE - Niagara - Jul 29, 2019

Adding a Niagara system to a BP_Projectile in a C++ First Person Project  and then restarting it causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 744 ...

Iterative cook does not cook only changed content in Binary UnrealFrontend

UE - Foundation - Core - Cooker - Feb 7, 2017

This is not a regression as it occurs in 4.14.3. Also this did not occur in a source build of UFE from Github. Excerpt from the logs:UE4Editor-Cmd: [2017.02.07-18.58.10:328][ 0]LogCook:Display: ...

Cannot set array elements from an array that is contained within a struct

UE - Gameplay - Blueprint - Aug 26, 2015

Cannot set array elements from an array that is contained within a struct User Description: Setup: Array of structures "StructureA". In StructureA, array of integers/strings/whatever. Result: Can' ...

Static Mesh imported from USD file has empty UV channel

UE - Editor - Content Pipeline - Import and Export - Oct 6, 2020

When importing static mesh from USD file then it has the wrong amount of UV channels. Selecting a UV channel shows an empty area in the viewport. Regression: YES - not reproduced in 4.25.3 produc ...