Unreal Engine Issues

Character Jump Height is dependent on framerate

Character jump height is dependent on framerate, where lower framerate can result in reduced jump height. ...

Changing the names of inputs in a collapsed graph can change connected inputs in other collapsed nodes

Changing the names of inputs in a collapsed graph can change connected inputs in other collapsed nodes. Reproduced in 4.7.2 binary and Main (//depot/UE4/Promotable-CL-2478413) ...

PhysX Crash when spawning Instanced Static Mesh actors at Runtime

Bug generated from crash reporter. This crash has been found in 4.7.6 and still occurs in 4.8.3 and 4.9.2 to users. One user in particular still, and he experiences it often. I have not been able ...

Trace Hit.Z varies strangely based on trace start/end Z

The Z value of a trace hit will vary based on the Z value of the start/end points of the trace. The larger the start/end Z range, the larger the variance of Hit.Z values. ...

Movie Scene Float sections do not blend when adding a key

Movie scene float tracks to not blend when adding new keys through the add key button if the value comes from outside sequencer. This is a result of a change introduced by CL: 4997300.   ...

Realtime Rendering toggle disabled after using Cloth Painting

After finishing cloth painting, the ability to toggle Realtime Rendering in the viewport is greyed out. Additionally, the Disable Realtime Override button doesn't seem to have any effect. This probl ...

Color shifting occurs from screen probe gather ping-pong when Lumen active

A subtle yellow tint color shift occurs when Lumen is active due to usage of R11G11B10_Float targets, mostly from r.Lumen.ScreenProbeGather.SpatialFilterProbes where we ping-pong between R11G11B10_F ...

Adjusting Vegetation Growth for Bushes in Media Mode alters their global size settings

Reported in SF [Link Removed] When making adjustments to the Vegetation growth Season parameter inside Media Mode, if a scene contains Bushes then any adjustments to the Vegetation growth will adju ...

Crash when Background Blur is added with Instanced Stereo enabled

Setting multiple identical actors to replicate movement will crash on PIE with multiple players

If ten or more of the same actor in a level have the "replicate movement" checkbox set to true, the editor will crash on PIE if the number of players is set to 2 (or with 1/2/3 players if dedicated ...