Several issues with 4.25.1 and Win 7

UE - Graphics Features - Jun 22, 2020

Users are reporting issues with the 4.25.1 hotfix and Win 7, including running cooked builds and the editor crashing: https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1755531 ...

Frame rate issues using Fixed Frame Rate and Matinee

Tools - Aug 10, 2016

Frame rate issues using Fixed Frame Rate and Matinee. This could be similar to some issues involving "Force Fixed Frame Rate". ...

Editor Crashes after updating to 4.7.2

UE - Graphics Features - Mar 7, 2015

Crash Reporter [Link Removed] User installed UE4, version 4.7.1 few days ago and I hadn't any problems with launching Unreal Editor. After upgraded the engine to 4.7.2 is getting crash every time ...

Crash on UObject::ProcessEvent after 4.7 update

UE - Editor - UI Systems - Feb 27, 2015

Crash Report [Link Removed] Bugg 38910 After updating project from 4.6.1 to 4.7, user experiences unexplained crash when playing in editor. *In addtion to the crash report, the user provides a lot ...

Crash Creating Geometry Collection on Windows 7

UE - Simulation - Physics - Oct 24, 2019

Crashing on windows 7 when trying to create a geometry collection or opening the chaos destruction demo. Breaking on D3D11Util.cpp: Line 249 UE_LOG(LogD3D11RHI, Fatal,TEXT("%s failed \n at %s:%u \n ...

TAssetPtrs are not properly fixed up in client PIE instances

Tools - Aug 18, 2015

Contrary to the linked UDN question, this doesn't seem to require the actor to be replicated. The problem is that when UWorld::DuplicateWorldForPIE is called for a PIE client instance's persistent ...

Integrate fix for improper failure case for allocation of RenderTargets in Oculus

UE - Platform - XR - Feb 6, 2017

CL 3278583 contains a fix for improper failure state allocation of render targets, which causes intermittent crashes when the HMD is unplugged or has a power interruption. This CL fixes the crash ...

Window position is broken when using Windows 7 WINVER.

Tools - Aug 6, 2015

A user reported that the Window Position calculation is incorrect with Windows 7 WINVER. The source code appears to be using the calculated left value for the left side of the window, but the calcul ...

Crash While Running Project With d3ddebug Enabled (fix provided)

UE - Graphics Features - Mar 6, 2017

A licensee encountered a crash during InjectTranslucentLightArray: according to them they fixed the issue in ShadowProjectionCommon.usf: /** Cube map texture. */ TextureCube<float> ShadowDepthCub ...

Material accuracy on iPhoneX is significantly inferior compared to iPhone 7

UE - Platform - Mobile - Feb 13, 2019

The accuracy of World Position and Camera Position in Material on iPhoneX is very inferior to iPhone 7. If you enable UseFullPrecision the result will be the same. ...