Unreal Engine Issues
Unreal Engine Issues
Crash caused by Buffer Overread in TBitArray operator < function
UE - Foundation - Core - Aug 29, 2018A licensee has reported a crash that is caused by a Buffer Overread in TBitArray's operator < function. While the licensee did not provide reproduction steps, the crash is apparent from looking at t ...
Shift + Leftclick selection not working in World Outliner
Tools - Aug 29, 2018The Shift + Leftclick selection range appears to break when selecting something in the World Outliner first followed by clicking something in the Viewport and then shift selecting a range back in th ...
Cascade ParticleRelativeTime Outputs Constant 0 on Mobile
UE - Niagara - Aug 29, 2018Cascade ParticleRelativeTime outputs constant 0 on mobile. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, 4.21 CL# 4321618 ...
Incorrect Material Element Indexes When Importing Multiple Meshes In The Same FBX
Tools - Aug 28, 2018Incorrect material element indexes when importing multiple meshes in the same FBX. If you re-import the mesh that has the incorrect material element index it will correct itself. Seems similar to [ ...
Child Actor components on Clients use the incorrect default values for variables that are not being replicated
UE - Gameplay - Blueprint - Aug 28, 2018When a Child Actor's class is replicated but the individual variables are not, the individual variables will use the default of the original BP class instead of the defaults that were set in the Chi ...
Incorrect Input Index When Removing The Input From Custom Node
UE - Rendering Architecture - Materials - Aug 27, 2018The input removed the connection points are not re-indexed. So connected 'wires' stay on their places. That causing disconnection of the last wire as well as shift for every node that followed the o ...
Changes to RuntimeFloatCurves do not propagate to child BPs until the Editor is restarted
Tools - Aug 27, 2018Any changes made to a RuntimeFloatCurve will not be propagated to child Blueprints until the Editor has been restarted. ...
BP nativization can generate an invalid path including "__TEMP_BP__"
UE - Gameplay - Blueprint Compiler - Aug 27, 2018The licensee sent us a BP that can't be nativized correctly on UDN. The nativized BP has wrong paths and causes a crash. ...
Characters using NavWalking on server have noticeable jitter on clients at lower framerates
UE - AI - Aug 23, 2018AI nav walking doesn't allow clients to set a "Base" for the character (SetBase from UpdateFloorFromAdjustment), so there is no floor result on frames where there is a net update. This causes simula ...
Keep World option for Attach / Detach to / from Component does not replicate properly to clients
UE - Networking - Aug 23, 2018Using Attach To Component and Detach From Component with the Keep World option for the Location/Rotation/Scale rules does not replicate properly to clients. This does work when using AttachToActor a ...