Unreal Engine Issues
Unreal Engine Issues
Stop using power of 2 RTs for landscape edit layers
UE - Graphics Tools - Terrain - Landscape - Apr 4, 2023Result : all the RTs allocated for edit layers (in global merge mode) will be padded to the next power of 2 for no good reason, which can lead to out-of-VRAM (as reported by [Link Removed]) ...
Deadlock running anim modifiers that affect bone tracks on multiple sequences
UE - Anim - Runtime - Mar 11, 2025Running anim modifiers that affect bone tracks can deadlock the editor when applied to multiple anim sequences. ...
ContentExamples: PhysicalAnimation Example 1.2 the P in "BluePrint" is capitalized
Docs - Samples - Jan 19, 2017The P in "BluePrint" is capitalized in Example 1.2 of PhysicsAnimation level. The word Blueprint should match the documentation https://docs.unrealengine.com/latest/INT/Engine/Blueprints/index.htm ...
Vehicle Template Gears incorrectly affect gear shift speed
UE - Gameplay - Feb 8, 2016Changing the Up Ratio of a vehicle movement component incorrectly alters gear shifting. For example, setting the ratio for Gear 3 to 1.0 will keep the vehicle from shifting to gear 2, etc. ...
Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings
UE - Gameplay - Apr 16, 2015Child Actor component is not affected by the 'Visible' and 'Hidden in Game' settings. It is still rendered in the bp viewport and in the level during play. Even if the 'bpSelf' is set to hide in g ...
Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor
UE - Simulation - Physics - Feb 20, 2018Snap to Bone doesn't actually affect the rotation of a Constraint in the PhAT editor. The visualizer does show the expected rotation but the Constraint will still rotate in the same direction it was ...
FMD5::Update can crash when used with packages larger than 2^31
UE - Foundation - Core - Cooker - Dec 21, 2018This bug was reported by Nurulize on UDN: UPackage::Save calls FMD5::Update at line 5918 The bug comes from the fact that Writer->TotalSize() is int64 vs the 2nd parameter of FMD5::Update which ...
4.14.2 Binary Debug Crash does not show up in Crash Reporter
CrashReporter - Web - Dec 21, 2016Crashes from 4.14.2 Binary are not populating in Crash Reporter website - [Link Removed] This is not the case in P4 builds. This is a regression from 4.14.1 ...
Attempting to build MinidumpDiagnostics with Visual Studio 2015 Update 2 results in failure
UE - Foundation - Core - Jun 7, 2016When attempting to build the Minidump Diagnostics project from the UE4 source, it will fail if you're using Visual Studio 2015 Update 2. Please note that this does not occur in the base VS2015 or wi ...
SplineMeshComponent's collision will start to distort the longer the Spline becomes
UE - Gameplay - Nov 30, 2016SplineMeshComponent's collision will start to distort the longer the Spline becomes This is a regession. It was working in 4.13.2-3172292 User Description: When drawing out a long spline mesh ( r ...