UPDATE!
We have just released Preview 3 for 4.27! Thank you for your continued help in testing the 4.27 build before its official release. As a reminder, the Preview builds are for testing only, and should not be used for the active development of your project.
For a list of known issues affecting this latest preview, please follow the links provided on the first post in this thread.
Cheers!
Fixed in Preview 3
| Issue | Summary |
|---|---|
| UE-119386 | Skeletal Mesh LOD reduction does not use retargeting for bake pose |
| UE-118584 | Override Game Mode in Media Render Queue does not work properly |
| UE-118295 | Crash adding a key to a SectionToKey |
| UE-118397 | UMG Sequencer: Animating FMargin tracks from relative-to-absolute with easing do not blend properly without a relative track (legacy) |
| UE-118829 | selected nodes only not retaining upon selecting keys |
| UE-118837 | Deactivating a shot section from scripting does not affect evaluation |
| UE-118777 | Incorrect additive keyframing behaviour |
| UE-118979 | Deleting transform track can fail to restore state |
| UE-118984 | Select Key in Selection Range selects keys on actors that are filtered out of the Outliner |
| UE-118680 | Non smooth (staircase) curves when recording using existing levelsequence with Timecode framerate lower than engine framerate |
| UE-119063 | PlayTo overshoots in low framerate situations |
| UE-119051 | Project Settings for Take Recorder’s Animation Recorder do not persist after editor restart |
| UE-119293 | Guid of Actor Reference does NOT replace in UMovieSceneActorReferenceSection::OnBindingsUpdated |
| UE-119482 | Shift Marquee Selection crashes Sequencer |
| UE-119463 | Sequencer: Auto tangents aren’t recalculated if you set values in sequencer or if you delete key in curve editor |
| UE-119715 | Take Recorder records a camera but creates a camera cut section with unresolved bindings |
| UE-119960 | Take Recorder inaccuracies with attached objects |
| UE-120164 | Recording nearby spawnable without starting at current timecode sets the sequences end playback range to be the current timecode |
| UE-120161 | Sequencer: Python: Make sure to use specified FBX and Control Rig Import settings from Python |
| UE-120083 | Animations are not recorded correctly when Save Record Assets is enabled. |
| UE-120082 | Two animation assets are created when Pawn is recorded in TakeRecorder. |
| UE-104004 | Oscilloscope Object in Niagara Only Reads a Quarter of the Buffer When Part of an Emitter that Targets the CPU |
| UE-117888 | [Audio Import] - Audio types other than Wavs fail to import; unrecognized sound format |
| UE-100009 | [Concurrency][Resolution Rules] - Stop Lowest Priority Then Prevent New doesn’t stop lowest priority sound and doesn’t prevent new sound in AudioQA map |
| UE-99966 | [Concurrency][Resolution Rules] - Stop Lowest Priority does not stop lowest priority sound |
| UE-119917 | Deprecation warning for FDerivedDataCacheInterface::GatherUsageStats with VS2017 |
| UE-119173 | Severe performance regression when using UnrealPak with file sizes >int32 |
| UE-119181 | GitHub 8189 : Adding support for Linux for RiderSourceCodeAccessPlugin |
| UE-118800 | macOS Big Sur libc.dylib not found |
| UE-119096 | Untracked files are present in Github build |
| UE-113404 | DMX Previs Sample (Missing files from build and wrong show file extension) |
| UE-118769 | Collaborative Viewer - Material Issues with Loading States and 3d Cut Volumes |
| UE-118767 | Collab Viewer - Oculus VR and Steam are disabled - should be Enabled |
| UE-118853 | Replace Handheld AR Template icon in the Games category with the previous one |
| UE-119458 | Collaborative Viewer - Remove Steam and Oculus VR PLugin |
| UE-117080 | Meshes change their position upon interacting with Attach/Detach trigger boxes in TM-ActorToComponentOverNetwork, TM-ActorToActorOverNetwork and TM-ComponentToComponentOverNetwork maps |
| UE-117059 | Renaming gameplay tag back to its original name after editor restart removes it from Tag List |
| UE-118544 | Circular references between blueprints are not retained when nativized |
| UE-118545 | There are no objects on the TM-Nat_BP level in packaged Inclusive game |
| UE-118816 | [CrashReport]UE4Editor-BlueprintGraph!UK2Node_Timeline::PostPasteNode() [K2Node_Timeline.cpp:212] |
| UE-118416 | Electra is flagged as beta plugin incorrectly |
| UE-117095 | Assertion failed: InputState == EInputState::AwaitingEOS /…/Decoder/Android/VideoDecoderH264_Android.cpp] QAGame crashes on Android |
| UE-120073 | Setting up Mipmapping for a JPG or PNG seqeunce crashes the engine |
| UE-118943 | DefaultGameMoviePlayer does not respect RHI suspension |
| UE-119763 | EXR mipmapping breaks when the folder is non-square res (example 1024x512) |
| UE-119026 | ShooterGame Fails to open on Mac when attempting to open with certain commands |
| UE-118466 | ShooterGame Client/Host crash when joining game via Hosts Invite through System UI |
| UE-120203 | EOS: String buffers are incorrect size |
| UE-118195 | PixelStreaming crash with DX12 RHI |
| UE-118846 | VolumetricLightmapVoxelization.usf(132:21): (error, code:5476) - ambiguous call to ‘dot’ |
| UE-119536 | Crash on startup due to race condition on FPlatformProcess::PushDllDirectory |
| UE-118949 | Failure to launch UE 4.27 on CentOS with /lib64/libstdc++.so.6: version `GLIBCXX_3.4.21’ not found |
| UE-119403 | Installed build creation fails with RunUAT ERROR: AutomationTool was unable to run successfully |
| UE-119776 | Assert on closing Editor after creating Third Party Library plugin on Linux |
| UE-101681 | Error while creating Third party plugin: Failed to load example third party library |
| UE-117844 | SkySphereBlueprint renders on Mac with artifacts |
| UE-119217 | UnrealBuildTool can crash on Apple Silicon |
| UE-118830 | Mac - 4.27 - Test_font displayed incorrectly in Text Render |
| UE-118436 | Crash when launching ShooterGame with -game argument on Mac |
| UE-118734 | vfork has been deprecated, use posix_spawn instead |
| UE-87774 | MAC rect light does not use assigned source texture |
| UE-120156 | FASTBuild shader compilation is broken on macOS |
| UE-116537 | VirtualTextureFeedback never success to map on Android if open a RVT Level from an empty level |
| UE-115005 | Package Fails for iOS - library not found for libCrashReporter.a |
| UE-118786 | GitHub 8165 : Arm - Fix GMaxWorkGroupInvocations on Vulkan |
| UE-115236 | GitHub 7979 : Fixed line endings for Android installer scripts |
| UE-117658 | ES3_1 Preview Rendering Level renders black when MobileHDR=false |
| UE-119771 | After launching UE4Editor -game -featureleveles31 once, bPreferFeatureLevelES31=true gets saved to the ini file |
| UE-118186 | BinkMedia’ and ‘DatasmithC4DImporter’ plugins have copyright issues |
| UE-119737 | High VRAM usage causes GPU Crash when attempting to render Bink Video - FD3D12Resource Error |
| UE-118527 | Clicking “Convert to Parameter” on constant 3-vector node in Material Editor causes crash |
| UE-119035 | When loading any project in Binary the editor will compile shaders |
| UE-118240 | TM-AnimPhys (UE4). Dark textures and too dark shadows on the level |
| UE-118752 | Crash when shifting world origin in map with landscape that writes to RVT |
| UE-118603 | Renaming parameters in Niagara scripts does not work |
| UE-118773 | Engine tests and old assets with mesh renderers have their mesh replaced by a default gnomon |
| UE-118615 | GitHub 8157 : Make NiagaraDataInterfaceArrayFunctionLibrary.h methods public |
| UE-118641 | Parameters do not automatically link to their Parameter Definition when renamed to match on a pin |
| UE-118461 | The Set Parameter module’s add parameter menu displays the code-based parameters instead of the Parameter Definitions |
| UE-118521 | Renaming a Parameter Definition while an asset containing subscribed parameters is open will create multiple renamed x transactions for each updated reference |
| UE-119439 | GPU Content Examples fail while in and after exiting Simulate mode |
| UE-119573 | Niagara Count Buffer Leak when Editor out of focus |
| UE-118523 | Crash renaming a Parameter Definition used in scripts/systems |
| UE-119928 | -wshadow Shadowing error in NiagaraParameterDefinitionsSubscriber |
| UE-120092 | Typo in RibbonRendererProperties: RibbonUV0Override & RibbonUV0RangeOverride |
| UE-96474 | Subsurface profile rt transmission broken with denoiser |
| UE-99901 | subsurface scattering flickering under 4.26 |
| UE-119079 | Punctual lights overflow radiance buffer when no source radius is set |
| UE-119627 | Ray Tracing reflections do not support Hierarchical Instanced Static Mesh |
| UE-119471 | DXGIGetDebugInterface1 could not be located in the dynamic link library dgi.dll when launching editor on clean machines |
| UE-119615 | Stadia crashes when trying to use HDR mode |
| UE-119297 | Vulkan bloom convolution causes crash |
| UE-119539 | Crash in the TwinMotion project when counter UAVs are used |
| UE-115607 | Hair physics not working in scene capture |
| UE-119341 | The title hangs on the Warmup Island on Performance Alpha Mode with TArray<AVEncoder::FMediaPacket,TSizedDefaultAllocator<32>. |
| UE-118936 | Vehicle templates are setup to use Chaos |
| UE-117328 | Crash appears after reloading asset |
| UE-118707 | Crash when baking materials for some skeletal meshes (like those found in Epic’s Car Configurator project) |
| UE-118812 | GroomCache interpolation doesn’t work when scrubbing between 2 frames in Sequencer |
| UE-118623 | Datasmith Sketchup msi: won’t install with specific region settings |
| UE-118737 | Sketchup - Windows - Error at runtime in sketchup after plugin installation |
| UE-118500 | DatasmithRhinoExporter - Plugin crash when deleting texture with DirectLink enabled |
| UE-118661 | ArchiCad - Mac - Impossible to install plugin because need to be notarize |
| UE-119483 | SolidWorks - Datasmith plugin - UI problems |
| UE-118970 | Display states are not exported as variants if they’re not linked to configurations |
| UE-119624 | DatasmithExporters on Mac automated build should .zip generated plugin versions together |
| UE-119870 | Rotated UVs after Datasmith export from Solidworks |
| UE-119678 | Datasmith Solidworks Exporter plugin MSI installer does not work with Solidworks 2020 |
| UE-117464 | Import CAD: Degenerate geometry |
| UE-93464 | Inventor Assembly imports incomplete or missing geometry |
| UE-119435 | HLOD not working in sublevels in cooked build when Save LODActors to HLODPackages is set to true |
| UE-118787 | Linux: USD error with plugin enabled - libusd.so’ for ‘usd’ failed: No such file or directory |
| UE-118602 | [Crash Report] UE4Editor-UnrealEd!FReimportManager::ValidateAllSourceFileAndReimport(TArray<UObject *,TSizedDefaultAllocator<32> > &,bool,int,bool,bool) [Editor.cpp:582] |
| UE-118311 | Take recorder parent hierarchy not working in MU |
| UE-118775 | Can’t remotely take record after exiting MU |
| UE-119479 | Crash when persisting changes from MU |
| UE-119633 | Use weak object reference for sequencer actors |
| UE-120118 | Multi-User - Since CL 16909910 Opening a sequences is not propagated to the nDisplay nodes |
| UE-118548 | Saving a sublevel that contains the nDisplay config asset crashes nDisplay nodes |
| UE-118561 | No master sequence recorded - only sub scenes - when recording stage actor in MU |
| UE-118110 | [CrashReport] UE4Editor-SlateCore!TArray<int,TSizedDefaultAllocator<32> >::ResizeGrow |
| UE-120206 | ICFX Camera chroma does not create transaction when using color picker. |
| UE-118530 | Undo stack gets corrupted when using color picker in widgets |
| UE-118487 | UE Logo needs to be updated to the new style |
| UE-118273 | The STypeLiveLink plugin should be disabled on the GoldenPath project |
| UE-119028 | nDisplay packaging fails |
| UE-118559 | Playing multiple EXRs in nDisplay crashes nodes |
| UE-108821 | Maya plugins do not contain options to set Unicast and Static Endpoints. |
| UE-119582 | Playing multiple EXRs in nDisplay crashes nodes - Mip Maps |
| UE-119756 | Attempting to play AJA media source with Media Player crashes |
| UE-118794 | Can’t evaluate calibrated focal length when zoom not streamed through LiveLink |
| UE-119614 | Editing a LensFile asset changes all previously recorded level sequences that reference that LensFile |
| UE-119854 | LiveLinkCamera: Cannot override filmback sensor dimensions on camera component when evaluating a LensFile |
| UE-119583 | Cinecamera FIZ min max threshold preventing calibration values to be used |
| UE-118895 | Post Process Volume Lacks Control for Offsetting Screen Temperature |
| UE-118713 | Unable to set channel# in DMX Output Console Faders |
| UE-103731 | DMX Template project - Yoke of Moving Matrix sticks through the head. |
| UE-117037 | DMX Pixel Mapping - Matrix fixture generates infinite logs that can lead to a freeze of UE |
| UE-97379 | Crash - using Matrix and DMX Fixture BPs |
| UE-118878 | DMX plugins causing Linux and Mac Editors to crash when opening GoldenPath |
| UE-119258 | DMX - Uninitialized variables in FDMXInputPortConfig and FDMXOutputPortConfig |
| UE-119000 | DMX - Cannot set IP address for DMX ports via commandline |
| UE-117026 | DMX - Pixel Mapping - Undo is not supported in Designer |
| UE-117139 | DMX Library - Mode Selection Box in Patching Tab is buggy. |
| UE-119717 | Divide by zero warning in DMX Fixture Zoom Component |
| UE-119588 | DMX GDTF parser bug |
| UE-119910 | DMX - Dynamically created level sequence player do not play DMX in packaged builds |
| UE-119574 | DMX Pixel Mapping - Cells index and output do not follow the PixelMapping distribution |
| UE-120189 | DMXPrevis Sample needs updating for 427 since we changed the plugin and fixtures behaviour |
| UE-118745 | Editor Crash on selecting/hovering Custom Filter in Level Screenshot Editor |
| UE-119601 | Level Snapshots - Non-Unity compilation error after 16842999 |
| UE-118991 | No warning when over-writing a level snapshot |
| UE-118428 | Crash on the render nodes when loading a level snapshot |
| UE-118669 | LiveLink - SteamVR doesn’t work upon restart if used with a LiveLink default preset |
| UE-119579 | Crash when PrestonMDR LiveLink source is added from a Preset |
| UE-119849 | LiveLinkPrestonMDR: Warning message triggered when setting Incoming Data Mode to Encoder Data |
| UE-118236 | OpenXR doesn’t support Vive Trackers |
| UE-119939 | MayaLiveLink Plugin - UDP Endpoints are not reverted to 0.0.0.0:0 after deleting the IP addresses |
| UE-118635 | nDisplay Root actor initialization resets world instance on save in MultiUser |
| UE-118383 | Enable flag for OCIO doesn’t work properly |
| UE-118040 | Per-Viewport and Per-Node OCIO Settings Do Not All Work |
| UE-118437 | OCIO is disabled when moving the nDisplay config actor over multi user |
| UE-118338 | Final Adjustments to nDisplay Motion Blur Settings for Process/Traveling Shots |
| UE-118337 | UX Design Discrepancies: nDisplay Viewport in Config Editor - Configuration |
| UE-118325 | UX Design Discrepancies: nDisplay Config Actor - Configuration |
| UE-118668 | nDisplay: Re-Import Not Available on New Imported Assets |
| UE-118320 | UX Design Discrepancies: nDisplay Config Actor - Color Grading |
| UE-118321 | UX Design Discrepancies: nDisplay Config Actor - OCIO |
| UE-118684 | UX Design Issue: nDisplay Color Grading/Post Process Options and Organization |
| UE-118784 | UX Design Issues: nDisplay Content Hidden Properties |
| UE-118834 | Duplicating Post Process volume while in MU and nDisplay crashes nDisplay nodes |
| UE-118374 | nDisplay template needs updating to 4.27 |
| UE-118886 | nDisplay Chromakey Post Process Blur Does Not Work |
| UE-118332 | UX Design Discrepancies: nDisplay ICVFX Camera - Chromakey |
| UE-118776 | nDisplay sometimes is not forcing focus successfully |
| UE-118329 | UX Design Discrepancies: nDisplay ICVFX Camera - In-Camera VFX |
| UE-119078 | Legacy .cfg files can be added to projects despite not being support by nDisplay |
| UE-119208 | It is impossible to override RenderTexture_RenderThread behaviour |
| UE-119310 | Incamera’s miplevels aren’t applied |
| UE-119312 | nDisplay’s Viewport Override aren’t picking up changes |
| UE-118676 | nDisplay / Inner frustum - Tracking marker tile distance corrupt marker texture |
| UE-119521 | nDisplay screen reshape bug with locked aspect ratio |
| UE-119260 | Chromakey marker UX updates |
| UE-119257 | TextureShare duplication |
| UE-119686 | nDisplay nodes crash after light bake, leaving MU session and attempting to rejoin |
| UE-119750 | Regression in White Balance/Color Temperature Toggle in nDisplay |
| UE-119759 | Deleting a cluster item in the nDisplay configuration editor does not clear the item from the details panel, allowing users to edit a deleted item |
| UE-118259 | Non blocking editor crash |
| UE-118989 | Enable Inner Frustum bool on nDisplay Actor Root Component disables OCIO and Light Cards |
| UE-120093 | Chroma Key Tracking Marker Marker color does not update |
| UE-119660 | Chroma Key Tracking Marker Tile Scale Setting is Backward/Inverted |
| UE-119661 | Chroma Key Tracking Marker Tile Distance Setting Scales Content Incorrectly |
| UE-119766 | Manual projection policy regression |
| UE-119321 | nDisplay Manual Projection policy doesn’t work |
| UE-119758 | Undoing an cluster add operation does not work after saving/compiling an nDisplay config |
| UE-118958 | Remote Control Preset - nDisplay OCIO Per-Viewports overrides settings aren’t correctly exposed |
| UE-118885 | Exposing the nDisplay Cluster Root Actor at Top Level not Sufficient when Setting Object Position in Remote Control |
| UE-118480 | Remote Control API - Allow changing Widget Type from WebApp |
| UE-118749 | Remote Control API - Can’t send images through websockets |
| UE-118535 | Remote Control API - Missing preset ID in PresetFieldsChanged |
| UE-118536 | Remote Control API - Register to preset change notification using a PresetID |
| UE-118670 | Remote Control Web Interface not Reliably Responsive |
| UE-118739 | Remote Cotnrol API - WebApp with List has bad performance |
| UE-118398 | RCP asset gets repeatedly corrupted |
| UE-118838 | Web Remote Interface - Web app is not available when it is not rebuilt |
| UE-118866 | Remote Control API - Some thumbnails are not returned with the right headers |
| UE-118422 | Post process should be enabled automatically when touching any PP value in remote control |
| UE-118173 | Web remote control can’t set stage rotation min/max from iPad |
| UE-119362 | Remote Control API - Register to preset change only to loaded presets |
| UE-119367 | Remote Control API - WebApp does not discover newly created presets |
| UE-119418 | Remote Control API - Missing Mini Color Picker option in UE |
| UE-119033 | WebApp Widgets are non-functional in binary build |
| UE-118944 | Web Remote Crashes Editor Box when Driving Slider |
| UE-119662 | Remote Control API - Deleted preset in UE is not removed from list in webapp |
| UE-119486 | Exposing per-viewport color grading properties on second viewport doesn’t work correctly in remote control |
| UE-119218 | Remote Control API - Precision Modal |
| UE-119616 | Remote API - RC and MIDI property initialization |
| UE-119872 | Color Picker Value slider will not move below 10% |
| UE-119868 | Negative values are accepted in the Color Picker precision mode |
| UE-119489 | Remote Control API - Duplicate a preset does not generate a new PresetID |
| UE-118959 | Remote Control plugin causing Mac editors to crash when opening GoldenPath |
| UE-118298 | Remote Control DMX - Default range values are not considering the channel size (16bits) |
| UE-118883 | Adjusting the Slider on a Vector Doesn’t Immediately Transact on Initial Change |
| UE-119555 | Integrate missing blackmagic linux integration |
| UE-119593 | Switchboard doesn’t detect newly created map |
| UE-118612 | GitHub 8154 : Fix OpenXR LocateViews use correct pipeline |
| UE-118610 | GitHub 8152 : Work around out-of-bounds problem with late latch on secondary views |
| UE-118766 | Android Package Command fails with :app:assembleDebug |
| UE-119852 | Quest 2 controller models don’t show up when using the native plugin |
| UE-119668 | Collaborative Viewer - CutPlane Feature is not added To the VR Pawn |
| UE-120047 | OpenXR Remoting fails to attach actions to remoting session in 4.27 |
| UE-120192 | Crash in HPMotionController extension plugin |
| UE-119892 | GitHub 8231 : Arm - Add Mali-G78 device profile |