Blueprint Instanced Variables Data Erased

UE - Gameplay - Blueprint - Jan 17, 2024

Instanced variables were given a fix in response to this issue: [Link Removed] Once implemented, when the project is compiled the data from the blueprint instanced variable is removed. A recommend ...

Bug with setting the ChildActorClass in ChildActorComponents in Blueprint

UE - Gameplay - Blueprint - Jan 10, 2024

It's impossible to set it back to None. Also, if the original blueprint had something set in ChildActorClass, it will be impossible to set a placement of it to None. I looked at it briefly in the de ...

GetMonitorSizeFromEDID may fail to acquire the native resolution for ultrawide monitors

UE - Foundation - Dec 20, 2023

For some ultrawide monitors, UE may not correctly fetch the native resolution. GetMonitorSizeFromEDID attempts to retrieve native resolution from the Detailed Timing Descriptor of the EDID, but thes ...

Multicast RPCs called from standalone instance are not recorded into replays

UE - Networking - Dec 13, 2023

This seems to have regressed because of the fix to [Link Removed]. Because UWorld::InternalGetNetMode now only returns the DemoNetDriver's NetMode when it is recording and in its tick, the multicast ...

Volumetric clouds jitter when in front of geometry

UE - Graphics Features - Nov 30, 2023

Potentially related to [Link Removed], but distinct. ...

Newly added local variable types are not consistent with prior variable type

UE - Anim - Rigging - Control Rig - Nov 27, 2023

It seems that local variable creation in control rig isn't following the pattern with regular control rig variables (and general blueprint variables) where the last created and/or edited variable ty ...

Control Rig Function Access Specifier Combo box not closing after selection

UE - Anim - Rigging - Control Rig - Oct 25, 2023

From a UDN Customer. When switching a control rig's access specifier from public to private and vice versa, the options of the combo box does not hide after the selection, it stays open until you p ...

Compiling Blueprints breaks socketed attachments of actors attached to non-root components

UE - Gameplay - Blueprint - Oct 12, 2023

When blueprints are compiled, instances of those blueprints have their attachments detached and then reattached. Reattachments always occur on the RootComponent regardless of which component they we ...

[MetaSounds][Audio Bus] - MetaSound Sources using Audio Bus nodes spam underruns when Audio Mixer Sample Rate is less or greater than 48kHz

UE - Audio - Audio Bus - Oct 5, 2023

Setting the Audio Mixer Sample Rate to 32000kHz causes underrun spam in audio bus reader and writer nodes and sounds to playback jittery. Tested with 24kHz and 32kHz. Does not repro in //Fortnite/R ...

Gameplay ability sending server RPC can disconnect client during seamless travel

UE - Gameplay - Aug 15, 2023

During seamless travel, the engine renames kept actors into the transition/destination level. This process results in the actor's components being unregistered and re-registered. For the ability sys ...