Textures/Materials morphed when BSP is scaled

UE - LD & Modeling - Modeling Tools - BSP - Mar 17, 2015

When you place a texture onto a BSP and resize the BSP, the material/texture is skewed to the size of the BSP rather than staying at the scale it originally was. Work Around: You can resolve this b ...

Editor crashes upon PIE unless tick is disconnected and reconnected

UE - Gameplay - Blueprint - May 14, 2015

Project crashes if user presses compile or PIE unless they first disconnect and reconnect event tick within blueprint component BP_BuildStage. Frequency: 4/4 CrashReporter: [Link Removed] ...

Application fails on HTML5

UE - Platform - Mobile - Mar 6, 2015

User is unable to launch his project onto HTML5 without any errors. The game doesn't work as an application, merely a background image. Works perfectly on Windows. ...

First Person Game Mode isn't set correctly for new default levels

Docs - Samples - May 26, 2015

When creating a new default level in the first person template, the default game mode is set to 'pawn' rather than 'first person character'. ...

Incorrect resolution used because SetProcessDpiAware() is not called when bAllowHighDPIInGameMode=False

UE - Rendering Architecture - Aug 8, 2025

The incorrect resolution is used on computers with 4k monitors that use DPI scaling (default 150%) because the default for UE projects is bAllowHighDPIInGameMode=False which results in SetProcessDp ...

Crash when moving a sprite imported as part of a spritesheet to another folder if the sprite names had invalid characters

UE - Editor - Content Pipeline - Content Browser - Oct 28, 2014

Attempting to move any of the sprites created from this .json to another folder from within the Content Browser crashes the project. CRASHREPORT: 442758 ...

Visual glitches on Mac OS X using an Intel GPU while playing HW accelerated H264 video

UE - Graphics Features - Dec 2, 2014

This looks to be a system driver bug, but logging here for transparency and future reference. It took me a long while to figure out that the key issue is a conflict during blit between UE4 and the H ...

OnDragDetected fires off with a single click for 3D widgets

UE - Editor - UI Systems - May 11, 2015

When Using the On Drag Detected on a 3D widget, the drag function fires off on a single click (No dragging necessary) ...

No selection highlight in ES2

UE - Graphics Features - Dec 9, 2014

No selection highlight in ES2. Expected to be able to see what user has selected. Reproduced on windows and mac. ...