Unreal Engine Issues
Unreal Engine Issues
A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE
UE - Graphics Features - Jan 22, 2015A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE. Reproduced in Main (CL-2412886) Crash Report: [Link Removed] Call Stack:<unknown module>! UE ...
Repeating Cinematic loop at beginning of MatineeFightScene
Docs - Samples - Aug 18, 2016The cinematic loops at the very beginning when opening the sample in standalone game on Mac. Cannot repro on Windows using standalone game, but can repro on Windows if you launch using -game. ...
Procedural meshes spawned at runtime cause a crash
UE - Simulation - Physics - Jan 10, 2017When using a procedural mesh at runtime, projects fail on mobile devices. Tested on both Android Nvidia Shield and iPhone 6+. ...
Redundant Material Slots Added To Mesh With LODs After Upgrading To 4.14 And Higher
Tools - Mar 9, 2017When upgrading a project that was prior to the material slot implementation to a newer engine version will cause redundant material slots to be created. This requires the mesh to have LODs and multi ...
Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types
UE - Niagara - Mar 16, 2020This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...
Static variable declaration causes unresolved external errors when calling FRootMotionMovementParams functions
OLD - Anim - Jan 11, 2017Attempting to call a FRootMotionMovementParams function results in an unresolved externals error on compile because of the static FVector RootMotionScale variable. Workaround: In source, removing s ...
The Rotate Around Point Niagara module does not account for current particle position
UE - Niagara - Oct 16, 2019The rotate around point module no longer adds in particle position, so it does not account for other forces and modules effecting the particles, and will only spin in a circle by default. The user c ...
incorrect virtual texture shader code(in FinalizeVirtualTextureFeedback) on Mobile forward platform
UE - Graphics Features - Mar 15, 2021in the function FinalizeVirtualTextureFeedback, the micro "USE_DBUFFER && MATERIALDECALRESPONSEMASK" returns true on mobile forward, while there is no DBUFFER on Mobile forward obviously. This takes ...
SingleLayerWater is rendering brighter shallow water with fog
UE - Graphics Features - Jul 12, 2021Shallow water areas in scenes with exponential height fog will be brighter than they should be. Possibly due to the fog being applied twice in the SingleLayerWater shading model. ...
UMG property binding fixup for real numbers doesn't always work
UE - Editor - UI Systems - UMG - Apr 5, 2022For UMG delegates, we currently have a fixup pass that ensures that bound functions match the signature of the native delegate. However, the fixup appears to use the wrong function name, which cause ...