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About the Issues and Bug Reporting (Unreal Engine) category
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0
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37
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January 26, 2026
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UE 5.8 10X GC Purge Garbage Performance Regression from 5.7
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7
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445
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November 4, 2026
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UE 5.5.4 Linux Vulkan Crashes During UMG ComboBoxString Interactions – VK_ERROR_DEVICE_LOST / RHI Resource Deletion
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0
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18
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November 4, 2026
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Epic Games Launcher – Unable to Install Unreal Engine (Install Button Not Working)
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6
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387
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November 4, 2026
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[Bug] [UE5.8.1] => "SceneCaptureComponent2D" Doesn't work Properly in [Standalone Game] [Standalone Game Mobile]
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1
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161
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November 4, 2026
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New Project dialog says “No compiler was found” on Windows when the Visual Studio Integration plugin is disabled, even though Visual Studio and MSVC are installed
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1
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105
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November 4, 2026
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[Mover] FMoverDataCollection has no copy constructor: input structs get shared between Network Prediction frames, so GetLastInputCmd() on interpolated sim proxies jumps between frames
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1
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71
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November 4, 2026
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UBT generates Visual Studio solution files when the preferred source code editor is “Rider Uproject”, which doesn’t use them
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1
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99
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November 4, 2026
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5.8 No longer updates face mesh from DNA
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0
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15
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November 4, 2026
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UE5.8 Mesh Partition not loading in when using level change (name or object)
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2
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203
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November 4, 2026
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Project Crashes after 5.8 update
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0
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27
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November 4, 2026
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UE 5.8.3 MetaHuman Assembly — Cannot break link errors in official Control Rigs
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3
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116
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November 3, 2026
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[UE 5.8 / tvOS] Gamepad button RELEASE events never delivered when 2+ controllers are connected (Apple TV) — one controller works fine
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5
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149
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November 3, 2026
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Launcher 20.3.7: Install Engine and + do nothing, Engine Versions empty, "found 0 entitled apps" (new account)
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0
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36
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November 3, 2026
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[5.8.3][Navigation][Editor] Build Paths returns "built" while UNavigationSystemV1::Build refuses under ENavigationBuildLock::AsyncLoadLock; the request is dropped, not deferred
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0
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11
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November 3, 2026
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UE 5.8.4 Per-bone Blend Space sample smoothing overriding is skipped in packaged builds
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0
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15
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November 3, 2026
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Launcher 20.3.6: Engine Versions empty, Install Engine and + do nothing
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14
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464
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November 3, 2026
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Mutable: heap buffer overflow in GenerateAndAddLaplacianData (OpMeshBind.h) due to FMeshBufferSet::GetDataSize() used as memcpy size
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0
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18
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November 3, 2026
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UE 5.8 nDisplay Widget rendering incorrectly
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4
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188
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November 3, 2026
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UEFN Memory Calculation Failed – ContentServiceFailure / module_not_found – Publishing Blocked
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5
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115
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November 3, 2026
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UE 5.8. Pass Translucency::OITCombine(SeparateTransluency) has a read dependency on OIT.SampleData, but it was never written to.
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2
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148
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November 2, 2026
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Launcher 20.3.5: Install Engine and + do nothing, Engine Versions empty, log shows "found 0 entitled apps" (new account)
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12
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393
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November 2, 2026
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Markerless Motion Capture: body solve crashes instantly with DirectML 887A0005 on RTX 4090
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2
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63
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November 2, 2026
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Niagara NeighborGrid3D: GPU hang (TDR) when grid buffers are reallocated without clear and the writing stage is skipped
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0
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29
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November 2, 2026
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[5.8.4] MetaHuman Creator: editor memory grows by 5–18 GB per scripted build and is never released
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0
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36
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November 2, 2026
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Video memory consumption failure
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2
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92
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November 2, 2026
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Memory Calculation fails - Epic's Low Poly Dungeon Pack Referenced Content
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0
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35
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November 2, 2026
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[UE 5.8.4][Editor] Undoing an edit to a placed Blueprint actor empties its PCG component's per-instance graph parameters
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0
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41
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November 1, 2026
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[UE 5.8.4][Editor][Mac] Crash: pthread rwlock init fails with EBUSY (16) copying Mass shared fragment values during a TEDS command flush
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0
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30
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November 1, 2026
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Launcher 20.3.5: Install Engine and "+" do nothing, 0 entitled apps, EULA never shown
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2
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279
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November 1, 2026
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