Unreal Engine Issues
Unreal Engine Issues
Niagara - When a Static Switch is used inside a Niagara Function Script with "expose as pin" disabled, its Selector variable is exposed as an input on function call nodes. However, this input incorrectly loses its "static" type.
UE - Niagara - Apr 7, 2025Consider a Niagara Function Script containing a Static Switch node with the "Expose as Pin" option disabled for its selector variable. When the function is called by another Niagara Function or Niag ...
Differences in Post Process FX between Minimized and Maximized Viewport
UE - Graphics Features - Apr 19, 2016When scaling the viewport window using the Maximize/Minimize viewport option, the post processing effects applied to the screen do not scale properly. This issue seemed trivial at first, as the use ...
BuiltData is saved alongside it's map, even if lighting hasn't changed
Tools - Jun 25, 2021Saving a map will always resave the map's BuiltData, even if the BuiltData hasn't been marked dirty. Changes were made to avoid marking it dirty for [Link Removed], but the call to SaveWorld in FEdi ...
Imported Texture shows up black in Content Browser
UE - Texture - May 13, 2022I'm trying to import a .exr texture created in Substance Painter and exported as a 32 bit linear exr file. The texture is to be used for roughness. However, I've stumbled upon the problem that users ...
FILTER_COMMANDLINE_LOGGING cannot be used without forcing UE_COMMAND_LINE_USES_ALLOW_LIST
UE - CoreTech - Jul 30, 2024There's two ways to affect the commandline in CommandLine.cpp: FILTER_COMMANDLINE_LOGGING - for filtering certain or all args (if left empty) from the log. UE_COMMAND_LINE_USES_ALLOW_LIST - for on ...
Datasmith Direct Link models relocate on sync
TM - Interoperability - Jun 3, 2024Reported by multiple users. Models imported through Datasmith Direct Link can be relocated after a sync, despite no edits to the geometry's location in the DCC program. Currently reported for both ...
Mac Crashing on Editor Launch
UE - Graphics Features - Sep 24, 2015User reporting he is crashing when launching the Editor "This is a 4.9.1 binary build (latest), I can't give you the exact version because it crashes on the initialisation stage at 0%. The system i ...
Compile failure packaging for Linux in arm-unknown-linux-gnueabihf from Windows
Tools - Apr 20, 2017Packaging for Linux is failing when setting the TargetArchitecture=ArmUnknownLinuxGnueabihf in the DefaultEngine.iniUATHelper: Packaging (Linux): UnrealBuildTool: C:\LinuxXC_ToolChain\v9_clang-4.0.0 ...
[CrashReport] Ran out of memory - FFixedUObjectArray::PreAllocate()
UE - Foundation - Core - UObject - Sep 7, 2017This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 165 if (GWarn) 166 { ...
Crash occurs when renaming an asset that is used by Class Default Object
UE - CoreTech - UObject - Nov 23, 2021Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Reproduced Fro ...