The 5.5.1 Hotfix is live—snag the latest update for a selection of fixes.
Please feel free to share feedback and discuss the current version in the release topic, Unreal Engine 5.5 Released.
If you experience a bug with the 5.5.1 Hotfix, please follow the How to Report a Bug guide to report it on the Bug Submission Form .
| Issue | Summary |
|---|---|
| UE-230698 | Crash when creating a child blueprint based on a dirty blueprint |
| UE-229712 | MovieGraph: Crash when using BurnIn + 32 Bit PPM to Single Layer EXR |
| UE-230710 | [PCG] Crash when double-click on an inspected point in Collision Wrapper data |
| UE-229151 | Crash in OpenGL-only build on an Android 14 Xclipse-based device causes a shader compiler crash |
| UE-229659 | Collision wrapper can crash with meshes that don’t have a proper body setup |
| UE-230984 | Possible crash when the active camera rig is frozen |
| UE-231280 | MRQ Graph - Avid DNx plugin does not compile in shipping builds |
| UE-231082 | MovieGraph: Crash with ObjectID pass |
| UE-229447 | MovieGraph: Crash when rendering with Additional PPMs |
| UE-231174 | Motion Design Rundown (game mode) Crash with BP modifiers |
| UE-230366 | An Assert occurs when resetting a response curve with keys used for a Utility Weight in a State Tree |
| UE-229250 | DirectX 11 crashes with -Renderoffscreen |
| UE-230359 | MM Database crashes if adding an animation to a pose schema that’s linked with no set skeleton, or a differently set skeleton |
| UE-230330 | Delete Attribute node causes Crash |
| UE-229146 | Crash enabling Lumen visualization on consoles |
| UE-230583 | [CrashReport][Assert] UnrealEditor-InterchangeEngine!UInterchangeManager::ReleaseAsyncHelper(TWeakPtrUE::Interchange::FImportAsyncHelper,1) [Engine/Source/Runtime/Interchange/Engine/Private/InterchangeManager.cpp:2638] |
| UE-227658 | [CrashReport][Crash] Unknown() Address = 0x19a5af0ac (filename not found) [in libsystem_kernel.dylib] |
| UE-226339 | [CrashReport][Crash] libpython3.11.so.1!7f1e67200000 + 239c80 |
| UE-195187 | [CrashReport] Assertion failed: UsedStagingBuffers.Num() == 0 |
| UE-228298 | MAC - Substrate - Crash with sm5 |
| UE-230578 | [CrashReport][Crash] UnrealEditor-CoreUObject!UStruct::IsChildOf(UStruct const*) const [Engine/Source/Runtime/CoreUObject/Public/UObject/ObjectHandle.h:268] |
| UE-226877 | GitHub 12399 : Reset OpenXRHMD SwapChains declared as static on update |
| UE-229001 | UE 5.5 delayed Python initialization causes issues |
| UE-230070 | [PCG] GPU SM Spawner in loop subgraphs is crashing the editor when added to the viewport |
| UE-228760 | [PCG] GPU - invalid FName values trigger crash |
| UE-229228 | OCIO Crash On Empty Config String |
| UE-230408 | SVG import causes crash due to different file format |
| UE-229953 | [deformer graph] per-bone animation attribute are unusable, they generate shader compilation error when plugged into a kernel |
| UE-228054 | MGPU - QAVirtualProduction crashes at launch |
| UE-223475 | Enabling ZenLoader causes editor crash when undoing Level Instance deletion |