UPDATE!
We have just released Preview 5 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 5
Fixed! UE-91160 Editor Analytics can crash if the session is created late
Fixed! UE-91318 Events were sent from Crash Reporter after Editor Usage Data is disabled.
Fixed! UE-91009 [CrashReport] UE4Editor-Engine!FAnimInstanceProxy::InitializeRootNode(bool) [AnimInstanceProxy.cpp:201]
Fixed! UE-90989 Anim timeline does not pan view on Notify track
Fixed! UE-90334 Animation Performance Issues Caused by FProperty Changes
Fixed! UE-89228 Changing skeleton bone’s transforms does not update or behave as expected
Fixed! UE-82678 Crash on applying animation modifier for some assets
Fixed! UE-67609 [CrashReport] UE4Editor_Engine!CropRawTrack() [animsequence.cpp:1798]
Fixed! UE-91227 Crash when closing the animation timeline document tab while editing curve
Fixed! UE-84544 4.24 Spatial Audio Temple - Detected orphaned looping sound
Fixed! UE-90913 Mix Modulation assets are white squares
Fixed! UE-91280 Crash in Dynamics Processor
Fixed! UE-88249 Audio: Timesynth: Calling Stop twice on a timesynth component can lead to a lock
Fixed! UE-90968 Performance regression with IntelTBB
Fixed! UE-91040 Stompmalloc crash opening another project in editor using File > Recent Projects
Fixed! UE-87834 NullRHI command line parameter doesn’t work when compiled with VS2019
Fixed! UE-91015 FInsightManager prevents Editor from exiting on restart
Fixed! UE-91177 Editor Unreal Insights creates a malformed EditorLayout.ini, StartPage defined and duplicated Area entries
Fixed! UE-91087 Network Insights Exclusive Bit size is not computed correctly
Fixed! UE-91067 Select All without a packet selected does not select all packets in Network Insights
Fixed! UE-91150 int64 UProperty with ExposeOnSpawn meta tag won’t compile.
Fixed! UE-90775 Launcher C++ template project is prompted to install a C++ Desktop development workload after previously installing Visual Studio
Fixed! UE-91251 UGS Script on Mac fails to compile - Object reference not set to an instance of an object
Fixed! UE-89755 Fails to run packaged game when enabling Editor only plugin
Fixed! UE-89756 ShooterGame fail to package | System.IO.DirectoryNotFoundException: Could not find a part of the path ‘…\ShooterGame\Binaries\DotNET\AutomationScripts’.
Fixed! UE-90745 Manual recompile is needed after creating C++ Class in Blueprint Project
Fixed! UE-90841 Preview 3 GitHub build fails to generate project files on home PC
Fixed! UE-89722 Fail to launch project with Niagara, NiagaraExtras and Chaos Niagara plugin | Unable to load plugin ‘NiagaraExtras’
Fixed! UE-90936 Project Launcher’s Default Profiles do not build C++ projects in Launcher Builds, causing extra required setup
Fixed! UE-90771 M_Volumetric_Sky_Prototype Material has compile errors
Fixed! UE-91320 Add Product Configurator Template to 4.25
Fixed! UE-64808 Event graph does not focus when adding Event from details panel
Fixed! UE-86045 Initial overlaps aren’t populated by BeginPlay
Fixed! UE-90523 Converting udatasmith asset to blueprint class crashes - Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 674] Array index out of bounds: 0 from an array of size 0
Fixed! UE-91136 Converting attached actor to blueprint detaches it from its parent
Fixed! UE-90981 Crash when recompiling with intermediate build graph tab open
Fixed! UE-91214 BP breakpoints cause multiple tabs to be open for the same function
Fixed! UE-90090 Rotating Movement Component doesn’t work in a Standalone game if added to an instance in the level
Fixed! UE-91097 NetTrace requires both -NetTrace and -Trace to be enabled
Fixed! UE-87915 WebBrowser crashes when typing any character at text input field in Mac OS X catalina (10.15.3)
Fixed! UE-90925 Crash opening QA-Sequencer
Fixed! UE-91200 Importing UDIM fails check on Linux
Fixed! UE-91054 Python errors when opening QAGame
Fixed! UE-82076 Animated Noise Emissive does not animate as expected
Fixed! UE-86001 Android: Mali G72 Device Crashes Opening TM-ShaderModels for Fatal Error in vkCreateComputePipelines
Fixed! UE-89864 Landscape has overlapping and missing faces on Android
Fixed! UE-64085 Use new DXGI to enumerate adapters by gpu preference
Fixed! UE-90725 Crash when assigning a Source Texture to a Volume Texture
Fixed! UE-90657 [CrashReport] UE4Editor-MetalRHI!FMetalRHIBuffer::AllocLinearTexture(EPixelFormat, FMetalLinearTextureDescriptor const&) [MetalVertexBuffer.cpp:338]
Fixed! UE-90612 GitHub 6784 : Vulkan LLM improvements: track spare and render target memory
Fixed! UE-91011 [CrashReport] UE4Editor-Engine!UMaterial::GetScalarParameterValue(FHashedMaterialParameterInfo const &,float &,bool) [Material.cpp:2083]
Fixed! UE-91076 Crash: UE4Editor-RenderCore.dll!ValidateShaderParameters(const TShaderRefBase<FShader,FShaderMapPointerTable> & Shader, const FShaderParametersMetadata * ParametersMetadata, const void * Parameters)
Fixed! UE-91029 Ensure when placing ‘Groom’ asset into scene in DX12
Fixed! UE-89990 Multiple ShadowCulling automation tests fail with screenshot differences on DX12
Fixed! UE-91258 Crash when compiling material instance after swapping texture in the parent material
Fixed! UE-91058 Cascade Particles Are Rendering Offset From Their Original Location On Android
Fixed! UE-90934 Lighting follows player movement in Blueprint Office sample
Fixed! UE-90987 [CrashReport] static void AddHairStrandMeshProjectionPass(class FRDGBuilder & const, class FGlobalShaderMap *, const bool, const int, const struct FHairStrandsProjectionMeshData::Section & …
Fixed! UE-91248 [CrashReport] UE4Editor-HairStrandsCore!UGroomComponent::PreEditChange(FProperty *) [GroomComponent.cpp:1576]
Fixed! UE-71461 Niagara Systems stop rendering when a Static Mesh parameter is added to Particle Update
Fixed! UE-88208 Remove vertex colors from static mesh crashes the editor
Fixed! UE-90844 Niagra Plugin causing QAGame project compile failure
Fixed! UE-91014 Editor crashed when Emitter State is added to Niagara Emitter and issued an Undo command
Fixed! UE-90926 Niagara Crashing in Fury during compile of system
Fixed! UE-91277 Fix inconsistency with error and warning display.
Fixed! UE-91111 Undoing/Redoing renaming a Module to its source name will show that the source name is also the display name
Fixed! UE-91070 Users can’t create collision trace channel module inputs
Fixed! UE-91063 Editor crashes when clicking Enable Simulation Stages on and off with error: “Can not refresh children on an entry after it has been finalized”
Fixed! UE-91059 Crash fixing issues in Content Example’s TextureSampling_System
Fixed! UE-89899 MutiEventRibbons test fails due to screenshot mismatch
Fixed! UE-88588 Fixed bounds workflow improvements
Fixed! UE-88587 Try to clean up collision module to not need manual static switch for GPU/CPU
Fixed! UE-89516 Initializing a parameter of type “Object” in the stack leads to a crash
Fixed! UE-89361 The particle simulation stage module usage bitmask flag should be enabled by default
Fixed! UE-89105 Dynamic input graphs incorrectly complain about parameter map param references
Fixed! UE-91148 Crash creating a new parameter on Map Set by drag/dropping a pin from a Map Get that was copy/pasted from a different graph
Fixed! UE-91207 Entering a name for User Parameters on creation in a System does not stick
Fixed! UE-90990 Buttons in Niagara Emitter creation menu appear greyed out while still being usable
Fixed! UE-91281 Inherit velocity does not work on Mesh Triangle mode
Fixed! UE-91141 Crash when deleting all the Particle Spawn and Update modules from an emitter
Fixed! UE-91286 Determinism only works on CPU version of some mesh sampling operations
Fixed! UE-91294 Localspace output needs to be correctly handled on local position in skeletal mesh location
Fixed! UE-85309 [CrashReport] UE4Editor-Engine!FStaticMeshSceneProxy::GetDynamicRayTracingInstances(FRayTracingMaterialGatheringContext &,TArray<FRayTracingInstance,TSizedDefaultAllocator<32> > &) [StaticMeshRender.cpp:1549]
Fixed! UE-91271 [CrashReport] UE4Editor-Engine!FInstancedStaticMeshSceneProxy::GetDynamicRayTracingInstances(FRayTracingMaterialGatheringContext &,TArray<FRayTracingInstance,TSizedDefaultAllocator<32> > &) [InstancedStaticMesh.cpp:1200]
Fixed! UE-85303 [CrashReport] UE4Editor-D3D12RHI!FD3D12DynamicRHI::RHICreateUniformBuffer(void const *,FRHIUniformBufferLayout const &,EUniformBufferUsage,EUniformBufferValidation) [D3D12UniformBuffer.cpp:106]
Fixed! UE-85843 [CrashReport] UE4Editor-D3D12RHI!D3D12RHI::VerifyD3D12Result(long,char const *,char const *,unsigned int,ID3D12Device *) [D3D12Util.cpp:263]
Fixed! UE-85765 Unreal Engine crash running DX12 on AMD with assertion referencing WindowsD3D12PipelineState.cpp
Fixed! UE-86062 DX12 crash when fullscreen app looses focus.
Fixed! UE-87288 ShaderDrawDebug causes GPU restart on AMD
Fixed! UE-81499 Support Vulkan on UseSingleLayerWaterIndirectDraw
Fixed! UE-81243 Enable Virtual Texturing in MetalRHI
Fixed! UE-90756 Crash when using Share Material Shader Code and Native Metal Libs with r.Shaders.Optimize=0
Fixed! UE-90870 KiteDemo packages crash on Mac with Assert: Height <= GMaxTextureDimensions
Fixed! UE-90852 4.25 Editor from EGL requires shaders to be compiled when opened
Fixed! UE-90485 Crash running Niagara+Rendering Engine Test with Vulkan RHI
Fixed! UE-91107 UE4 Editor Build Failure: error C4668: ‘WINAPI_PARTITION_GAMES’ is not defined as a preprocessor macro, replacing with ‘0’ for ‘#if/#elif’
Fixed! UE-89999 Crash Occurs When Infiltrator Demo Ends On Linux
Fixed! UE-89971 Multiple Error:Validation warnings during EngineTest with Vulkan
Fixed! UE-88248 ShaderCompileWorker terminates unexpectedly when launching to Android from Mac
Fixed! UE-82458 D3D12RHI keeps increasing uniform buffer memory with “stat RHI”
Fixed! UE-87881 [CrashReporter] UE4Editor-D3D12RHI!FD3D12DynamicRHI::LockBuffer<FD3D12VertexBuffer>(FRHICommandListImmediate *,FD3D12VertexBuffer *,unsigned int,unsigned int,EResourceLockMode) [D3D12Buffer.cpp:289]
Fixed! UE-91196 “Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:Runtime/Core/Public/Containers/Array.h] [Line: 674] Array index out of bounds: 0 from an array of size 0” Occurs When Opening QAGame With -opengl On Linux
Fixed! UE-89235 Overwriting Merged actors with Merge Materials and Opacity Mask enabled crashes the editor
Fixed! UE-87472 Entering experimental Mesh Paint Mode paint mode disables mouse viewport nagivation
Fixed! UE-87473 Autosave forces experimental Mesh Paint Mode back into Selection mode
Fixed! UE-90575 Crash when adding a duplicate LiDAR Point Cloud Asset to a level
Fixed! UE-91008 [CrashReport] SPlacementModeTools::OnKeyDown(FGeometry const&, FKeyEvent const&) [in UE4Editor-PlacementMode.dylib]
Fixed! UE-91240 [CrashReport] UE4Editor-MaterialEditor!FMaterialEditor::GeneratorRowsRefreshed() [MaterialEditor.cpp:1068]
Fixed! UE-91165 Editor crash selecting next texture from menu bar, Unhandled Exception: EXCEPTION_INT_DIVIDE_BY_ZERO
Fixed! UE-91052 Releasing any of the mouse buttons in PIE results in the camera moving to the bottom right
Fixed! UE-88330 Experimental Mesh Paint’s Brush Size scales inconsistently compared to Geometry Sculpting
Fixed! UE-88323 Selecting different experimental Mesh Paint tools on the ribbon breaks Undo without clearing Transaction Buffer
Fixed! UE-90288 UE Crashes with Unhandled Exception when closing UE via taskbar while VR mode is active
Fixed! UE-91166 Paint tool in textures tab of experimental Mesh Paint tool is not grayed out when the selected mesh has no valid textures
Fixed! UE-91199 Crash when painting on an unsaved texture
Fixed! UE-91325 Selecting Meshes in Mesh Paint Mode Is Laggy
Fixed! UE-90554 Ensure scrolling through the Content Browser while filtering for blueprint
Fixed! UE-82951 DataPrep - Create Proxy Mesh discrepancy with merge actor
Fixed! UE-91186 Editor for Linux fails to build with SDataprepGraphTrackNode.cpp Error:const bool bStillOutOfScope = bCursorLeftOnLeft && DragTrackPosition.X < SoftwareCursorPos.X
Fixed! UE-90429 Mesh Substitution Data Table type from Dataprep is still available (operation does not exist anymore)
Fixed! UE-90408 Crash on running Proxy Mesh generation in Dataprep
Fixed! UE-91201 Dataprep - importing folder creates folders for each assets
Fixed! UE-77248 Collaborative Viewer - Refresh button doesn’t appear if windows resize
Fixed! UE-91329 Crash adding an actor to a Variant Sets without Variant - Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 674] Array index out of bounds: 0 from an array of size 0
Fixed! UE-90892 STEP group names are incorrect after import.
Fixed! UE-91110 Landscape Grass renders offset from Landscapes
Fixed! UE-91164 Ensures referencing TickableEditorObject.h:81 and FBX import modules
Fixed! UE-91232 USD Stage - Crash opening a scene with large number of vertices - Fatal error: [File:Engine/Source/Runtime/Core/Private/GenericPlatform/GenericPlatformMemory.cpp] [Line: 186] Ran out of memory allocating 39422240073 bytes with alignment 0
Fixed! UE-91109 Multiple “LogLandscape: Warning: Shader FTrivialMaterialCHS unknown by landscape thumbnail material” when using Engine Content Landscape_Material
Fixed! UE-91080 Texture edit view doesn’t show virtual texture layers correctly
Fixed! UE-91276 crash on edit normals if mesh has duplicate triangles
Fixed! UE-91000 Multiuser nodes are not found in VPN
Fixed! UE-89128 Re-Opening Game After Trying to Add a Cooked Material to a Level Results in a Crash
Fixed! UE-90939 Spawnable empty actor loses components after editor restart
Fixed! UE-91252 Filter window does not open in Curve Asset Editor
Fixed! UE-91300 Crash When Opening a DataTable Based Off a Struct With a Timecode Variable
Fixed! UE-91262 Importing camera FBX into subsequence loses focal length
Fixed! UE-87717 Exporting Audio when window is not focused causes audio to cut out when played back
Fixed! UE-91153 Interacting with Editor Viewports over Remote Desktop snaps mouse cursor to upper-left corner of display
Fixed! UE-85110 VR Scouting - Can not hold grip on Camera for re-location
Fixed! UE-90740 VR Scouting and Multi-User cause NaN error and possible crash
Fixed! UE-90748 Flying doesn’t work in VR scouting (tested on Oculus only)
Fixed! UE-90781 DMX: Controllers have a default Universe Start of 0
Fixed! UE-91191 Fix clock offsets for livelink evaluation modes to have smooth latest
Fixed! UE-91130 Vcam - Virtual Joystick widget V2 is available in 4.25 while it’s scheduled for 4.26
Fixed! UE-89367 LiveLink data freezes when Timecode goes back in time.
Fixed! UE-91041 Play button greyed out if DisplayCluster initialization failed
Fixed! UE-91147 Entering VR Mode warns virtual production users about modes UI
Fixed! UE-90727 AzureSpatialAnchors for remoting does not work
Fixed! UE-90868 Packaging project fails with a UAT crash when OculusAvatar plugin is enabled
Fixed! UE-91217 WindowsMixedRealityHMD.cpp(35): fatal error C1083: Cannot open include file: ‘HoloLensModule.h’
Fixed! UE-91195 Hololens - input simulator active and crashes in vr preview
Fixed! UE-91170 GitHub 6804 : Fix bug in Windows Mixed Reality when using a SpatialStageFrameOfRefe?
Fixed! UE-88711 VR Mode Vive touch pad no longer scrolls smoothly
Fixed! UE-89646 UE4 Failed to compile default material /Engine/EngineMaterials/WorldGridMaterial.WorldGridMaterial! for a new VR Project on HoloLens
Fixed! UE-89150 Assertion fail: GDefaultMaterials[Domain] When Launching Onto Lumin
Fixed! UE-90310 Oculus Touch Menu Button Input Not Received When Set In Action Mapping
Fixed! UE-91210 Hololens - restore wmr/hololensar plugin dependency direction to previous