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4.25.4 Hotfix released

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    [HOTFIX] 4.25.4 Hotfix released

    The 4.25.4 Hotfix is now live!

    Feel free to discuss this release on the 4.25 forum thread.

    If you experience a bug with the 4.25.4 Hotfix, please follow the How To Report a Bug Guide to report it on the UE4 Answerhub.

    Fixed in 4.25.4

    Fixed! UE-97208 Editor Analytic field IsLowDriveSpace is always reported as false.
    Fixed! UE-96338 Custom built engine creates duplicate values for config arrays set in engine and modified by game
    Fixed! UE-97255 Crash in ChangeBundleStateForPrimaryAssets()
    Fixed! UE-95140 Array property of a User Defined Struct is corrupted when additional properties are added to the struct
    Fixed! UE-96066 Duplicating BP actors reset edited Variables to Default Value if Variables name start with Chinese Character
    Fixed! UE-96536 GitHub 7241 : Add option to write packed JSON files in JsonWriter
    Fixed! UE-96653 Unique build environment frequently rebuilds all
    Fixed! UE-97363 GitHub 7278 : Add toolchain info to rider
    Fixed! UE-96677 GitHub 7255 : Use single path for project model
    Fixed! UE-95243 GitHub 7148 : Update TargetRules.cs
    Fixed! UE-99412 GitHub 7319 : Dev/system path macos
    Fixed! UE-95332 [CrashReport] UE4Editor-CoreUObject!CastLogError(wchar_t const *,wchar_t const *) [Casts.cpp:10]
    Fixed! UE-94713 [CrashReport]UE4Editor-CoreUObject!UObject::FindFunctionChecked(FName) [ScriptCore.cpp:1238]
    Fixed! UE-89944 Collision does not work in packaged game regardless of native settings
    Fixed! UE-95052 Error: FAsyncPackage::LoadImports for <some asset>: Skipping import PaperTileMap /Script/Paper2D.Default__PaperTileMapActor:RenderComponent.PaperTileMap_0, depends on missing native class
    Fixed! UE-96105 Crash compiling a blueprint after changing a Text variable to String, while the Details panel are visible
    Fixed! UE-88894 PIE crash due to non-empty ULevel::DestroyedReplicatedStaticActors array
    Fixed! UE-97911 Visual Studio 2019 projects will not load
    Fixed! UE-97332 Android packages fail with: "Object reference not set to an instance of an object"
    Fixed! UE-97197 Development build targeting SDK 29 needs requestLegacyExternalStorage
    Fixed! UE-96115 Issue with LLDB UE4DataFormatters for 2 byte chars
    Fixed! UE-95871 Lost one of the output render targets on OpenGL platform
    Fixed! UE-94444 If using High Quality Gaussian DoF on Mobile, the whole screen is always blurred
    Fixed! UE-99691 Double quotes in SetupAndroid.bat may cause issues in paths
    Fixed! UE-95791 Video track may not be created for Android network streams
    Fixed! UE-95872 The postprocess sunshaft doesn't work with the mobile tonemapperfilm
    Fixed! UE-99794 Vignette looks darker on mobile than on desktop
    Fixed! UE-100159 Using per-instance custom data causes crash on mobile devices
    Fixed! UE-96259 The auto exposure is 2x brighter than expected on mobile LDR mode
    Fixed! UE-96109 Vertex Colors on Blueprints not working in game
    Fixed! UE-93603 Directx 12 RHI can run out of video memory on long process (anims import)
    Fixed! UE-95015 [Crash Report] Assertion failed: IsInRenderingThread() || IsInGameThread() || IsAsyncLoading() || GIsSavingPackage [File:D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Private\Materials/MaterialInstanceSupport.h] [Line: 39]
    Fixed! UE-97294 Editor crashes when calling "Begin Draw Canvas to Render Target" on Event Tick
    Fixed! UE-94700 [CrashReport]UE4Editor-Engine!UMaterialExpressionTextureBase::GetSamplerTypeForTexture(unsigned char,float,terialSamplerType,UTexture const *,bool) [MaterialExpressions.cpp:1462]
    Fixed! UE-89277 Assertion Failed when Launching a Game - GlobalShaderCache-SF_VULKAN_SM5.bin' is missing
    Fixed! UE-80884 [CrashReporter] UE4Editor-Engine!FMaterialResource::GetMaterialId() [MaterialShared.cpp:1251]
    Fixed! UE-73090 [CrashReport] UE4Editor-Renderer!FMaterialShader::VerifyExpressionAndShaderMaps(FMaterialRenderProxy const *,FMaterial const &,FUniformExpressionCache const *) [ShaderBaseClasses.cpp:165]
    Fixed! UE-96408 Scratch pads in emitter scripts don't work correctly.
    Fixed! UE-95922 [CrashReport] UE4Editor-Engine!FShaderCompilingManager::ProcessCompiledShaderMaps(TMap<int,FShaderMapFinalizeResults,FDefaultSetAllocator,TDefaultMapHashableKeyFuncs<int,FShaderMapFinalizeResults,0> > &,float) [ShaderCompiler.cpp:2316]
    Fixed! UE-95359 Crash when attempting to add an Emitter to a System that has a > 0.0s warmup time
    Fixed! UE-96455 Scratch pads scripts don't work correctly with emitter inheritance.
    Fixed! UE-89244 check fails in FBatchingSPDI::DrawMesh() during Undo/Redo
    Fixed! UE-88785 [CrashReport] UE4Editor-MetalRHI!FMetalRHIBuffer::FMetalRHIBuffer(unsigned int, unsigned int, ERHIResourceType) [MetalVertexBuffer.cpp:171]
    Fixed! UE-76937 [CrashReport] UE4Editor-D3D11RHI!FD3D11DynamicRHI::ReadSurfaceDataNoMSAARaw(FRHITexture *,FIntRect,TArray<unsigned char,FDefaultAllocator> &,FReadSurfaceDataFlags) [D3D11RenderTarget.cpp:639]
    Fixed! UE-96481 Add Chunks button in asset audit tool does not function because of name compare problem
    Fixed! UE-95714 Rhino color conversion is wrong
    Fixed! UE-95590 Datasmith - imported PRT files are not in correct orientation
    Fixed! UE-97003 Update standalone installer and Datasmith export plugin version to 4.25.4
    Fixed! UE-95709 Wire color conversion is wrong
    Fixed! UE-95594 Datasmith material instances created using Hex sRGB have wrong name
    Fixed! UE-97401 Crashed at FMemStackBase::Alloc
    Fixed! UE-94697 Crash when the Viewport size is set to a very high size
    Fixed! UE-96867 Http Server drops client connections too easily
    Fixed! UE-96866 Remote Control can't access private properties that have AllowPrivateAccess
    Fixed! UE-96347 Multisession Markers are not being properly sent over via concert
    Fixed! UE-96864 Editor crashes when stopping WebControl server
    Fixed! UE-97372 Multiuser and Incamera VFX workflow fixes
    Fixed! UE-97375 ICVFX Incamera frame focus distance ignored
    Fixed! UE-97482 nDisplay in sublevels crash

    #2
    Cool, updating as we speak.
    [LEGENDS of EPICA Now on Steam] [Twitter] - [Discord]

    Comment


      #3
      Very Cool Epic Games. Thank you.

      Comment


        #4
        After updating to this version my vehicle physics are completely broken... What has changed regarding physics or raycasting?
        Project Shinrin | Portfolio

        Comment


          #5
          Originally posted by FloreV View Post
          After updating to this version my vehicle physics are completely broken... What has changed regarding physics or raycasting?
          Physics broke? I was going to update but my game is physics driven. How would you roll back to a previous version of 4.25 if needed?

          Comment


            #6
            Did they fix the (SSR) issues that broke all reflections in editor / gamedev? It has been a huge issue with 4.25 release.

            Comment


              #7
              Originally posted by Patrik Spacek View Post
              Did they fix the (SSR) issues that broke all reflections in editor / gamedev? It has been a huge issue with 4.25 release.
              Its been in engine since 4.23. Been waiting a long time for a fix. Download any recently released UE4 game and turn anti aliasing to medium or lower, guaranteed it will flicker.

              Comment


                #8
                Wish they would fix the Ansel plugin, can only take a regular screenshot and everything else is broken in 4.25

                Comment


                  #9
                  UE4.25.4, if the folder name is Chinese, all actors in the folder cannot be called

                  Comment


                    #10
                    Hello, can you roll back the version? Update to 4 keeps crashing

                    Comment


                      #11
                      4.25.4 Update has broken every single material using the material layer system (which is supposed to be production ready now):
                      Before:
                      Click image for larger version  Name:	4.25.3.jpg Views:	0 Size:	712.3 KB ID:	1825215
                      After:
                      Click image for larger version  Name:	4.25.4.jpg Views:	0 Size:	505.9 KB ID:	1825216

                      EDIT: Actually, the real culprit seems to be the fact that default values for texture that are not overriden in material instances have all been reset to none:
                      Click image for larger version  Name:	image_205632.jpg Views:	3 Size:	70.8 KB ID:	1825220
                      Before, non-overriden Texture Parameter would default to the default texture asset value present in the source material function, but after this hotfix, the default is None instead of default value in the Texture Parameter.

                      EDIT 2:
                      Actually, it seems far worse than that. Unchecking any value override in any layered material instance will immediately reset it, instead of preserving the value. So a simple act of toggling the checkbox will immediately destroy your value.

                      This is actually very surprising, because this if first time in years I've seen so botched hotfix. Generally, each UE update was quite up to the standard. At least never breaking to this degree. This is first time I am encountering such a breaking issue, something I was used to on a monthly basis when using Autodesk products. So despite all the initial frustration, it's honestly nice to see this being an exception rather than a rule
                      Last edited by Rawalanche; 10-23-2020, 08:25 AM.
                      https://www.artstation.com/artist/rawalanche

                      Comment


                        #12
                        Since updating to 4.25.4 my large projects take over one minute to save each time, but on 4.25.3 they took seconds. Anyone else have this? Can I go back to 4.25.3???

                        Comment


                          #13
                          First time updating to a HF before you go to forums to check if its safe

                          Comment


                            #14
                            Hi, what is with the sun actor, after the update sun freeze in skylight only the source is moving.

                            Comment


                              #15
                              Ok guys, after experience my self, i worked out, by now you need to implement the update sun direction and the refresh material function together in your driving blueprint.

                              Comment

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