Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled

UE - Gameplay - Blueprint - Aug 31, 2016

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled. De-selecting Actor_1 sets variables back to correct value when selected again. ...

Crtl Z Does not Undo Settings Edits in Landscape mode

UE - LD & Modeling - Terrain - Landscape - Sep 28, 2016

This was discovered through reworking a test case. I noticed the bug when I was hitting crtl Z through all of my edits and noticed that the brush size value did not change even though the notificati ...

Possession is not replicated properly to some clients

UE - Networking - Nov 8, 2018

A user has reported an issue where Possession replication or Character Movement replication, unsure of which, is not working properly for some clients. It seems to work fine for the first client but ...

Multiple keys with the same value appear to be removed on Android for a Curve Table

UE - Gameplay - Components - Jul 8, 2019

When using a curve table on android it appears that keys with duplicate values are removed. Link: [Link Removed] ...

Hit Box components created by listen server at runtime won't replicate

UE - Networking - Nov 17, 2022

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. This is By Design. Replication for actors is disabled by default, and need to be enabl ...

pose search cook determinism issue

UE - Anim - Gameplay - Jun 26, 2024

Regression for changes in code character movement not affecting multiplayers

UE - Foundation - Core - Jun 26, 2015

If MoveForward() function is changed to affect the speed of the player, when playing in a multiplayer game player 1 will be affected by the change but player 2 will not be. This is a regression - i ...

Actors with Net Load On Client disabled still appear on Clients when Use Single Process is disabled

UE - Networking - Aug 3, 2015

Actors with Net Load On Client disabled still appear on Clients when Use Single Process is disabled. Does NOT occur in packaged projects. Test project included. Set Use Single Process to false in E ...

High framerates result in desyncs with clients when using a dedicated server.

UE - Networking - Apr 17, 2019

When a client operates at a high framerate on a dedicated server, their player movement will become desynced with the server. This manifests in different ways on different versions. In 4.21, it caus ...

Replication issues & warnings if a client hitches while the server seamless travels

UE - Networking - Jul 28, 2020

If a client hitches while a server performs a seamless travel, the client will get multiple lines of logspam of these warnings:Warning: UActorChannel::ProcessBunch: SerializeNewActor failed to find/ ...