Unreal Engine Issues

Combined Translate and Rotate Mode broken when using Local Space

From UDN: When using the Combined Translate and Rotate Mode we run into an issue where the rotation arrow moves twice as fast as the coordinate frame. The object itself rotates correctly, but if we ...

Casting is not working as expected for interfaces in python

Blueprints from UE4 with dangling delegate reroute node crashes on UE5 load

If a project from UE 4.27 or earlier has a blueprint with a reroute node dangling (no outgoing connection) from a Custom Event Node's delegate pin (red), this blueprint will crash when loaded in UE ...

Blueprint editor can crash on removing one of a Sequence node's exec pins

User reported that upon removing a pin from a Sequence node the editor crashed. This only happened once, so may be a multithreading race condition or there may be additional unknown factors. The cra ...

GetMonitorSizeFromEDID may fail to acquire the native resolution for ultrawide monitors

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 ...

MRQ Linux - Log Spam: Unable to statfs('/render_output_path.{ext}')

When rendering with MRQ on Linux (only), there is a lot of statfs log spam that appears repeatedly during the render: LogCore: Warning: Unable to statfs('/render_output_path.{ext}'): errno=2 (No ...

When Adding the nDisplay plugin it defaults to disabled in Projects -> Plugins -> nDisplay

If you add/enable nDisplay as a plugin it should default to ON in the Project Plugins Settings, while Cluster Replication should remain off by default. ...

Startup Movies in Lyra Flicker and trigger ensure: "Only one system can use the SlateThread at the same time. GetMoviePlayer is not compatible with PreLoadScreen."

When adding startup movies to Lyra, the movie playback flickers and an ensure conditions fails with the message: Ensure condition failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\M ...

Investigate copying over PhysMaterialOverride for BodyInstances in Packed Level Actors

FLiveCodingModule::StartLiveCoding() unsafe access of FModuleManager::Get().OnModulesChanged()

A user has reported a failing ensure in FMRSWRecursiveAccessDetector::AcquireWriteAccess(), a race condition that has a small chance of happening when launching the editor. FLiveCodingModule::Start ...