Assertion opening blueprint with HISMC created in 4.11

UE - World Creation - Worldbuilding Tools - Foliage - Jun 7, 2016

After project was upgraded to 4.12 opening a blueprint that contains Hierarchical Instanced Static Mesh component will result in a crash. From the log I this is the important part: Assertion faile ...

Destructible components will not respond to OnHit events when impact damage is disabled

UE - Simulation - Physics - Destruction - Aug 31, 2016

Destructibles without impact damage will not trigger onhit events, regardless of their "Simulation Generates Hit Events" flag status, this is because we ignore that flag in CreatePhysicsState and on ...

Lighting needs to be rebuilt in Advanced_Lighting map of starter content

Docs - Samples - Jan 11, 2017

Lighting needs to be rebuilt in Advanced_Lighting starter content map ...

Background blur does appear to allow transparency when used in a widget component

UE - Editor - UI Systems - Jan 23, 2017

Background blur does appear to allow transparency when used in a widget component ...

Can't build a project with a plugin only has header files and lib/dll

UE - Foundation - Cpp Tools - Sep 13, 2018

It's ok for 4.19. ...

[CrashReport] UE4Editor-Engine!FDDSLoadHelper::IsValidCubemapTexture() [DDSLoader.cpp:158]

UE - Graphics Features - Dec 2, 2019

Generated from CrashReporter ...

Sorting objects at EndLoad has a non-deterministic behavior

UE - Foundation - Core - EditorLoader - May 14, 2021

This non-deterministic behavior is caused by sorting by program address. ...

Vcam - Objects Jittering with Vcam's Follow Cam modifier

UE - Virtual Production - Tools - Virtual Camera - Apr 8, 2021

Instance added Child Actors are not initialized when using world partition

UE - World Creation - Worldbuilding Tools - World Partition - Apr 13, 2022

A Child actor spawned via a Child Actor Component that is added to an actor instance using the Subobject Editor is not initialized when using world partition. The spawned child actor is not present ...