UPDATE!
We have just released Preview 2 for 4.25! Thank you for your continued help in testing the 4.25 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 original post in this thread.
REMEMBER: Please report any new bugs you find by following the How To Report a Bug Guide
Fixed in Preview 2
Fixed! UE-89378 Montage Sections tab does not scroll when it includes many sections
Fixed! UE-89320 Editor Closes/Crashes after adding animation sequences to an Anim Montage are undone
Fixed! UE-88277 Crash in Editor After Editing an Animation in the Curve Editor and Rapidly Pressing CTRL + Z
Fixed! UE-86626 GitHub 6538 : SteamAudio: Add Dynamic Geometry Support
Fixed! UE-87178 Editor process does not exit due to infinite wait in AudioDevice FadeOut
Fixed! UE-88888 Source Rotation for Ambisonics Sources is not working.
Fixed! UE-90136 Fix issue with automation driver message handling
Fixed! UE-90056 Do not use crash reporter client in monitor mode for dedicated servers
Fixed! UE-89329 QAGameServer -iostore does not call the IoStore commandlet
Fixed! UE-89293 Packaging QAGame with bUseIoStore in Binary fails with a UAT crash - EXCEPTION_ACCESS_VIOLATION reading address 0x00000044 - ParsePakOrderFile
Fixed! UE-87771 End user can specify “-nopak -iostore” in a BuildCookRun commandline, which will skip using IoStore, causing end user confusion
Fixed! UE-86065 Uproperty Map<TWeakObjectPtr<UObject>, FString> crashes when Item is added from Instance’s Details Panel
Fixed! UE-90213 Installed Build Command Fails with Visual Studio 2019
Fixed! UE-81222 Packaging Mac Client through the File Menu Dialog does not create app bundle
Fixed! UE-89418 Crash Report Client does not run in background of packaged UE4Game
Fixed! UE-89829 GitHub 6742 : # Ignore documentation generated for C# tools
Fixed! UE-89867 Missing new plugins from enterprise templates
Fixed! UE-89895 Test_SetByCallerStackingDuration encounters warning: No GameplayCueNotifyPaths were specified in DefaultGame.ini
Fixed! UE-87809 Update ObjectMacros.h to include DeterminesOutputType and any other MD_ / etc… flags we can find that are currently undocumented
Fixed! UE-89736 CLONE - AI controlled pawn does not navigate around obstacles
Fixed! UE-89908 UBlueprint::SearchGuid is unused and can be deleted
Fixed! UE-89939 Deleting struct in Windows Explorer leaves dirty traces in BPs.
Fixed! UE-88129 User-instanced subobjects owned by a streaming sublevel’s Blueprint CDO cannot be garbage collected with the owning world after the sublevel has been reloaded in the editor.
Fixed! UE-88789 Dispatch Event binding on a component breaks when an actor using it changes state and compiles.
Fixed! UE-68023 Undo of apply instance changes does not restore instanced components
Fixed! UE-44333 Collision does not appear to work in a packaged game after nativizing child assets
Fixed! UE-90285 Crash after selecting ‘Assign to Selected Actor’ on a level blueprint bound event and compiling the level blueprint
Fixed! UE-84760 Strange error attempting to use struct inputs within Macro Library
Fixed! UE-89719 Changing the input pin type of a macro graph does not invalidate any previous connections
Fixed! UE-90087 Blueprint breakpoints do not trigger on Begin Play
Fixed! UE-79501 When duplicating a Blueprint that has modified Blueprint Display Name, we should reset it or increment it on the new BP
Fixed! UE-85090 K2Node_FunctionResult needs to handle renames in its string pointers to default objects
Fixed! UE-89891 Changing mobility on one component will result in multiple toasts about attached components’ mobility changing
Fixed! UE-88804 [CrashReporter] UE4Editor-Engine!UWorld::SpawnActor(UClass *,FTransform const *,FActorSpawnParameters const &) [LevelActor.cpp:395]
Fixed! UE-85398 FXmppModule::ProcessPendingRemovals is never called, causing closed xmpp connections to never be cleaned up
Fixed! UE-89833 [Pixel Streaming]: Update Encryption lib
Fixed! UE-89854 Platform extensions showing up under an additional Engine folder in UE4 solution
Fixed! UE-70197 Background Blur in UMG is filled with black when UI.CompositeMode is used in HDR
Fixed! UE-89825 Gpu Profiler Events lastStartTime assert
Fixed! UE-89798 Overtime, Crash Report Client fail to launch when editor crash on Linux
Fixed! UE-89432 Linux log spam when extra window open
Fixed! UE-84939 CrashReportClient does not launch on Linux when issuing ‘debug audiogpf’
Fixed! UE-89918 GitHub 6746 : Re-enabled FMacPlatformProcess::IsSandboxedApplication.
Fixed! UE-89165 QAGame Packaged with Sig/Pak Files fails to Launch on Mac
Fixed! UE-89933 TM-ShaderModel fails to launch on iPad Air 2 (any <= A8)
Fixed! UE-89822 Global shaders don’t be recompiled after turn on/off MobileHDR
Fixed! UE-89810 Provide more control over OBBs mounted at startup
Fixed! UE-89660 Custom Depth comparisons on mobile incorrect when no custom depth primitives are rendered
Fixed! UE-89451 Add support for “Apple Development” certificates
Fixed! UE-89450 QQ Pinyin Input method cannot input characters into EditableTextBox on Android Platform.
Fixed! UE-90038 It will crash after set r.Mobile.AllowMovableDirectionalLights to false
Fixed! UE-89998 New SetupAndroid.bat (and other scripts) not present in binary build
Fixed! UE-89986 ActionRPG assertion exiting to main menu on iOS
Fixed! UE-90230 [Action RPG] Smoke effect behind unpurchased items has hitching issues which are exacerbated by longer game sessions
Fixed! UE-89915 recompileshaders console command is broken during COTF
Fixed! UE-89879 Crash upon using RHI -vulkan with error: “Entry.Offset > PrevOffset”
Fixed! UE-89811 Invalid Shader Param in LightPropagationVolume.
Fixed! UE-89370 SimplifySkeletalMeshLOD assert during cooking
Fixed! UE-89175 The editor crashes if textures are dragged into a material
Fixed! UE-90265 [CrashReport] Assertion failed: CurrentScope == nullptr
Fixed! UE-90079 Crash when opening the editor on Linux - Failed to compile global shader FHairEnvironmentLightingVS with Fatal error: [File: ShaderCompiler.cpp]
Fixed! UE-90033 “Assertion failed: ClearValue.ColorBinding == EClearBinding::EColorBound” Occurs When Trying To Open QAGame With -OpenGL
Fixed! UE-89993 SkyAtmosphere.ViewPlanet automation tests fail with screenshot differences on DX12
Fixed! UE-89995 Multiple VolumetricFogDynamicLighting automation tests fail with screenshot differences on DX12
Fixed! UE-89610 Crash changing texture format for a texture
Fixed! UE-89472 Cascade particles flash during playback of Anim sequence
Fixed! UE-89900 LPVs have incorrect PreExposure
Fixed! UE-89883 Android Shader crash - Errors compiling global shader FHairEnvironmentLightingPS
Fixed! UE-89968 CornellBox Engine Tests fail due to dark shadows in Ambient Occlusion
Fixed! UE-82636 Material layers do not prompt recompilation of all Materials that utilize them
Fixed! UE-89916 New matrix parameters in the stack have random values.
Fixed! UE-89884 Dynamic Beams endpoints and tangents being stretched instead of recalculated
Fixed! UE-89777 Niagara Ribbon Facing Mode Custom Side Vector does not work correctly
Fixed! UE-89778 Assert when dragging and dropping a module with a data interface.
Fixed! UE-89503 Crash while System is compiling - Assertion failed: !bDeletedThroughDeferredCleanup
Fixed! UE-89707 Unable to click delete button when module name is too long in Niagara Editor
Fixed! UE-89379 Niagara Editor unpausing
Fixed! UE-89362 Select by simulation target now generates errors in the module graph
Fixed! UE-89437 Sprite cutout textures do not take Particles.UVScale into account
Fixed! UE-89225 The SetEmitterEnable BP function doesn’t work
Fixed! UE-90219 It is too easy to mess up Emitter State conversion from Emitter Life Cycle in deprecation
Fixed! UE-90187 Extreme Flickering Occurring In Entire Level When Facing Niagara Systems on Android
Fixed! UE-90177 Module and multiple input copy/paste doesn’t work correctly with static switches.
Fixed! UE-90106 Text overlaps with buttons in selection stack.
Fixed! UE-89280 The engine crashes if you attempt to rename a module in the stack in 4.25
Fixed! UE-89372 Creating Niagara.Numeric crashes unreal
Fixed! UE-88802 Niagara Viewport does not display editor scalability setting
Fixed! UE-88981 Out of sync engine tests for skeletal mesh
Fixed! UE-87938 CPU emitters do not generate warnings if textures are referenced within it
Fixed! UE-87600 Crash clearing a Niagara Parameter Collection Instance’s Collection
Fixed! UE-88765 Get Niagara Emitter Vec3 Attrib Results in Hard Crash
Fixed! UE-88754 Creating a Matrix within an Emitter Spawn crashes the Editor
Fixed! UE-86912 Crash when right-clicking a node in a Niagara system and closing the Niagara editor
Fixed! UE-82074 Niagara systems do not update their thumbnail on first click of the thumbnail update button
Fixed! UE-85665 Rejection sampling, from the particle spawn script, is not supported
Fixed! UE-86683 Modules need kick-starting after a ‘fix-issues’ is used.
Fixed! UE-77005 Assert - Numeric types can be used as inputs for Dynamic Function Scripts
Fixed! UE-76871 Niagara Sample Static Mesh. Source Not Working
Fixed! UE-76161 DataInstance.Alive doesn’t propagate across spawn/update scripts
Fixed! UE-76002 VM crash when inserting certain module in Niagara stack
Fixed! UE-67339 Niagara spams warnings about sampled static mesh vert colors when none are available
Fixed! UE-66243 Editor crash when adding multiple receivers to a Niagara emitter’s event handler
Fixed! UE-66256 Inconsistent rules with our variable default settings functionality make it harder to author content
Fixed! UE-89701 Error messages spam when selecting multiple emitter in Timeline
Fixed! UE-90115 Crash when renaming and undoing renames.
Fixed! UE-90110 Impossible to tell from the system overview which items have been renamed or what their original name was.
Fixed! UE-90108 Delete trash can showing up for all selection stack groups even when they can’t be deleted.
Fixed! UE-89950 Can not undo deleting a renderer from the stack view.
Fixed! UE-90109 Can not rename renderers.
Fixed! UE-87220 Crash when pasting certain modules within a Niagara Emitter
Fixed! UE-89898 SimStagesGrid2D test fails due to screenshot mismatch
Fixed! UE-89914 EngineTest crashes prior to completion ‘InstancedStaticMesh.cpp] [Line: 1254]’
Fixed! UE-89439 Niagara sprites are not visible in ray tracing
Fixed! UE-89160 r.RayTracing.ForceAllRayTracingEffects 1 with raytracing enabled crashes the editor
Fixed! UE-89223 Niagara crashes the editor when Ray tracing is enabled and static meshes are assigned to a mesh renderer in 4.25
Fixed! UE-89997 Multiple Niagara screen shot tests failed w/ DX12
Fixed! UE-88123 Inconsistent lighting results in jittering shadows with ray tracing enabled
Fixed! UE-80815 GitHub 6243 : Small improvements to reflections
Fixed! UE-77668 Crash on failed PSO creation with raytracing on a Quadro 8000 (…hash PKNDJIND )
Fixed! UE-77061 Particle reflections lose accurate motion vectors during camera translations
Fixed! UE-83322 [CrashReport] UE4Editor-Engine!ProcessCompiledGlobalShaders(TArray<FShaderCommonCompileJob *,TSizedDefaultAllocator<32> > const &) [ShaderCompiler.cpp:4637]
Fixed! UE-81590 Ray tracing ignores enable/disable flag for sections
Fixed! UE-89880 Platform-specific shader debug information generation does not work
Fixed! UE-86272 Crash when Baking Materials using DX12
Fixed! UE-72725 Support for DRED on D3D12
Fixed! UE-89624 Crash if the number of spline points is less the one spline point currently selected
Fixed! UE-89594 Changing Weight and Texture paint mode settings do not persist when switching menus.
Fixed! UE-89401 One-off crash referencing TickableEditorObject.h:81 when viewing show flags dropdown
Fixed! UE-89294 [CrashReport] UE4Editor-UnrealEd!FEditorModeTools::ActivateMode(FName, bool) [EditorModeManager.cpp:928]
Fixed! UE-89337 [CrashReport] UE4Editor-UnrealEd!UUnrealEdEngine::CanSelectActor(AActor *,bool,bool,bool) [EditorSelectUtils.cpp:492]
Fixed! UE-89059 Layer Parameter Panel Crashes
Fixed! UE-88992 Mac - Unable to drag-drop import with special characters
Fixed! UE-87910 ClassViewer creates wrong object after losing focus
Fixed! UE-87649 Crash when compiling a running Editor Utility Widget
Fixed! UE-87472 Entering experimental Mesh Paint Mode paint mode disables mouse viewport nagivation
Fixed! UE-87032 [CrashReporter] UE4Editor-MeshPaint!TexturePaintHelpers::CreateTempUncompressedTexture(UTexture2D *) [TexturePaintHelpers.cpp:350]
Fixed! UE-86260 [CrashReport] UE4Editor-Core!FText::IsEmpty() [Text.cpp:276]
Fixed! UE-72760 Distance-scaled camera speed setting causes undesired behavior with flight controls
Fixed! UE-89627 Packaging QAEnterprise for Mac fails - ERROR: QAEnterprise modifies the value of GlobalDefinitions. This is not allowed, as QAEnterprise has build products in common with UE4Game.
Fixed! UE-87689 Safe Zones are not being drawn in New Window PIE
Fixed! UE-89767 Text Entry is not applied or cancelled on focus lost during Rename
Fixed!
UE-89760 Crash creating a Dataprep asset - Fatal error: [File:D:/Build/++UE4+Licensee/Sync/Engine/Source/Runtime/CoreUObject/Private/Misc/PackageName.cpp] [Line: 497]
LongPackageNameToFilename failed to convert ‘/Game’. Path does not map to any roots.
Fixed! UE-89508 Dataprep - Crash outputing in the same folder as the dataprep instance
Fixed! UE-90147 Incorrect location of spawned actors using Spawn Actors At Location
Fixed! UE-89334 Co-ex issue with Datasmith exporters.
Fixed! UE-89279 Crash exporting revit files (VCredist not installed by our exporters setups)
Fixed! UE-89088 Dataprep recipe node renamed ‘Reinstanciated blue print’ upon re-compiling a blueprint user defined node.
Fixed! UE-87594 Graph panel resets to initial view when an action is added to the graph
Fixed! UE-88619 Crash when renaming a dataprep action
Fixed! UE-88788 USD Stage - Undo/redo has incorrect behavior
Fixed! UE-79198 Dataprep - 3d viewport, Lightmap density not rendered properly
Fixed! UE-86875 Annoying movement of the graph panel when dragging an item and entering by the left side of the window
Fixed! UE-90146 Dataprep - widgets bleeds outside of action node when moving separator
Fixed! UE-90052 Crash when creating dataprep asset in 4.25 preview 1
Fixed! UE-90181 Crash when reimporting animated scene with dataprep while sequencer is open
Fixed! UE-89598 Dataprep Warning msg to overwrite level appears twice
Fixed! UE-89565 Dataprep - F2 not working on Actions as it should
Fixed! UE-89580 Dataprep - Crash trying to input relative navigations to level creation
Fixed! UE-89579 Dataprep - Level name should be sanitized
Fixed! UE-89576 Dataprep - Move step to + Add Step should rename the button accordingly to the action
Fixed! UE-89550 DataPrep - Output to Folder should do a sanitize check on the name of the folder
Fixed! UE-89704 CAD - RHINO - Re-import DS scene with Generate ligthmap UV doesn’t work
Fixed! UE-88545 Some entities in Revit exporter Datasmith scenes have an offset on their meshes
Fixed! UE-89848 Skeletalmesh Insert LOD is messing material ID and section data
Fixed! UE-90253 Crash when adding LOD and saving after
Fixed! UE-89531 AutoSave detects dirty assets after saving changes made to a level containing a HLOD - causing a crash
Fixed! UE-89905 Python USD tests fail with no suitable file found for _usdUtils.so
Fixed! UE-89784 Crash reloading geometry cache from abc file after a PIE
Fixed! UE-89779 USD Stage - Camera transforms are incorrect in PointInstancedMedCity sample scene
Fixed! UE-89679 Crash opening animation sequence from Skeletal Mesh imported via Alembic file
Fixed! UE-89422 USD Stage - Hiding a Prim is broken
Fixed! UE-89118 USD Stage - Phantom prims are created when a new one is given the same name as another top-level prim
Fixed! UE-90127 USD Stage - Skeletal meshes disappear when toggling visibility
Fixed! UE-90041 USD Stage - can’t hide Mesh type Prim
Fixed! UE-77474 Unit size is not considered at import from USD file
Fixed! UE-82921 Opened USD Stage window is not updated when opening level with or without UsdStageActor
Fixed! UE-83038 USD Stage - Leaving a Prim name empty leave an item in the tree that can’t be used
Fixed! UE-89873 Shader Warnings entering Landscape Mode in LT2020_Chaos
Fixed! UE-89641 Crash when auto saving after painting landscape grass with PhysX enabled
Fixed! UE-89620 Crash when auto saving after painting landscape grass with Chaos enabled
Fixed! UE-89629 Crash loading level after moving Edit Layer landscape to the persistent level
Fixed! UE-90272 [CrashReport] UE4Editor-Landscape!FLandscapeGrassWeightMeshProcessor::Process
Fixed! UE-89860 Changing localization to Japanese localizes Help URL to EpicGames.com
Fixed! UE-89644 CLONE - CLONE - Material layers editor bugs
Fixed! UE-90086 Changing the channel name inside of the channel mask parameter node results in crash
Fixed! UE-89557 Merging actors with Merge Materials and Opacity Mask enabled crashes the editor when placed in level
Fixed! UE-89887 3D Gizmo is show in Modeling Mode even with no selection
Fixed! UE-89495 Crash after undoing painting on a skeletal mesh
Fixed! UE-90271 [CrashReport] UE4Editor-MeshModelingToolsEditorOnly!UShapeSprayTool::Setup() [ShapeSprayTool.cpp:77]
Fixed! UE-90220 Mouse gets stuck in capturing state in various Modeling Mode Tools
Fixed! UE-90205 Normals do not properly update after undo/redo in PolyEdit Tool
Fixed! UE-90165 Typing new value into Subdivisions field of Displace Mesh Tool doesn’t work
Fixed! UE-90163 Checkerboard Material does not work in multiple Tools
Fixed! UE-87675 Cancel Tool Crashes after switching to Cinematic Viewport
Fixed! UE-87545 Checkerboard Material does not work in Inspector Tool
Fixed! UE-87544 Wireframe toggle should not invalidate current result in Simplify & Remesh
Fixed! UE-87445 Checkerboard material mode in UV tools seems not to work
Fixed! UE-84209 All material slots display slot 0 when using the Utility tools in Mesh Editing
Fixed! UE-86277 One off Crash when deleting faces on a mesh in modeling mode
Fixed! UE-70360 MeshEditing - Crash when deleting sections
Fixed! UE-83273 draw polygon undo removes completed polygons but does not reset in-progress polygon state
Fixed! UE-83097 draw polygon tool inconsistent click behavior
Fixed! UE-89239 Camera and controls invert in static mesh editor when looking straight down
Fixed! UE-84211 Normal Maps are flipped when using Utility tools in Mesh Editing
Fixed! UE-89934 QAGame allows the user to Reload newly-created unsaved Asset
Fixed! UE-89912 MoviePipeline: Canceling mid-render soft-locks the Editor
Fixed! UE-89896 MoviePipeline: First frame is evaluated overly often
Fixed! UE-89847 PNG sequence is rendered fully transparent
Fixed! UE-89773 Crash rendering FrameAccuracyMaster_Master with Movie Render Queue - CurrentCameraCutIndex >= 0 && CurrentCameraCutIndex < CameraCuts.Num()
Fixed! UE-89764 Audio tracks on multiple rows not playing back
Fixed! UE-89708 Event counter showing incorrect count during sequencer playback
Fixed! UE-89429 Recorded data is offset when not recording from 0
Fixed! UE-90209 Sequencer: Next/Prev Key loops to start/end when at last/first key
Fixed! UE-90173 Movie Render Queue does not render fade tracks
Fixed! UE-90085 Using the shot_name token in File Name Format writes out DefaultShotName for every shot
Fixed! UE-87811 Warm Up count setting under Anti-aliasing Render Movie Pipeline Settings
Fixed! UE-87300 Engine Warm Up Count not restoring when Local Render is finished engine time is faster
Fixed! UE-85324 TakeRecorder: Place source-specific settings before User Settings
Fixed! UE-89619 Timed Input Monitor - Timecode Provider is not updated when changed from the Project Settings (needs restart)
Fixed! UE-89513 LiveLink default preset fails to load if it depends on external modules
Fixed! UE-90196 LiveLinkOverNDisplay plugin does not follow naming convention of “Live Link” and “nDisplay”
Fixed! UE-90039 LiveLink over ndisplay crashes when using a preset in project settings
Fixed! UE-90006 Virtual Production blueprint utilities fail to compile
Fixed! UE-88434 Vprod: 60 FPS timecode on ref pin
Fixed! UE-80154 Teleport to a bookmark doesn’t teleport the user to the correct location
Fixed! UE-89656 SteamVR icon displayed prominently in the Unreal Editor toolbar by default if SteamVR is installed
Fixed! UE-89321 SteamVR turns off vsync globally
Fixed! UE-89044 Object outlines vibrate/jitter when selected in editor viewport
Fixed! UE-87013 steamVR runtime is called on editor launch
Fixed! UE-81832 ARKit3QA - Should disable Automatic Signing option