### Known Issues in 2022.2.8f1

- Inspector Framework: Editor freezes when selecting multiple assets with different Scripted Importers
    ([UUM-27216](https://issuetracker.unity3d.com/issues/editor-freezes-when-selecting-multiple-assets-with-different-scripted-importers))

- Metal: [iOS]Unable to maintain 120fps consistently in a near-empty scene on iPhone 13 Pro
    ([UUM-5944](https://issuetracker.unity3d.com/issues/ios-target-fps-is-ignored-on-iphone-13-pro))

- RP Foundation: [Silicon] Crash on ScriptableRenderLoopJob when machine is left idle while the Editor is in Play mode
    ([UUM-25831](https://issuetracker.unity3d.com/issues/silicon-crash-on-scriptablerenderloopjob-when-machine-is-left-idle-while-the-editor-is-in-play-mode))

- UI Toolkit Controls: Element UI disappears and NullReferenceException is thrown when dragging off the last or first element from the list in the Inspector
    ([UUM-25833](https://issuetracker.unity3d.com/issues/element-ui-disappears-and-nullreferenceexception-is-thrown-when-dragging-off-the-last-or-first-element-from-the-list-in-the-inspector))

- Universal RP: [URP] The Scene View flickers when hovering over it with the cursor
    ([UUM-24656](https://issuetracker.unity3d.com/issues/linux-urp-the-scene-view-flickers-when-hovering-over-it-with-the-cursor))

- Visual Effects: SDF Baking causes memory to be allocated that isn't deallocated when in Play Mode and in Builds
    ([UUM-25814](https://issuetracker.unity3d.com/issues/sdf-baking-causes-memory-to-be-allocated-that-isnt-deallocated-when-in-play-mode-and-in-builds))

- Web Platform: "wasm-ld.exe" is not terminated when canceling a WebGL Build during the "Linking build.js (wasm)" phase
    ([UUM-20797](https://issuetracker.unity3d.com/issues/wasm-ld-dot-exe-is-not-terminated-when-canceling-a-webgl-build-during-the-linking-build-dot-js-wasm-phase))

- WebRequest: Crash on delete_object_internal_step1 when disposing web requests
    ([UUM-27869](https://issuetracker.unity3d.com/issues/crash-on-delete-object-internal-step1-when-disposing-web-requests))



### 2022.2.8f1 Release Notes

#### Improvements

- Editor: Improved performance of Transform.Find\(\) API especially when working with large numbers of children.



#### API Changes

- Graphics: Added: GetVisiblePositions to TrailRenderer.
    ([UUM-21893](https://issuetracker.unity3d.com/issues/trailrenderer-dot-getpositions-returns-invisible-points))



#### Fixes

- Asset Pipeline: Fixed indeterministic output for any asset containing script types
    ([UUM-22077](https://issuetracker.unity3d.com/issues/inconsistent-assetdatabase-dot-getdependencyhash-value-returned-for-unchanged-source-files-when-using-a-custom-scriptedimporter))

- Editor: Fixed an issue with the Shortcuts Manager to catch Shift and Options keypress
    ([UUM-4083](https://issuetracker.unity3d.com/issues/mac-shortcutmanager-ignores-shift-modifier-1))

- Editor: Fixed component added twice when dragging script asset on inspector window from project window
    ([UUM-26276](https://issuetracker.unity3d.com/issues/monobehaviour-dragged-and-dropped-to-the-gameobject-ends-up-adding-twice))

- Editor: Fixed Overlays not preserving enabled state through domain reloads.
    ([UUM-20070](https://issuetracker.unity3d.com/issues/hidden-overlays-are-reappearing-after-relaunching-the-unity-editor))

- Editor: Fixed parallel import with Blender on all Editor platforms. Multiple .blend files imported at the same time will produce their own content result instead of a random mesh from one of the files.
    ([UUM-10036](https://issuetracker.unity3d.com/issues/blend-models-are-imported-incorrectly-when-using-the-parallel-import-function))

- Graphics: Enabled `Mesh.RecalculateTangents()` to ensure that the tangent attribute has the correct format \(Float32\) and dimension \(4\) when called.
    ([UUM-19137](https://issuetracker.unity3d.com/issues/crash-on-mesh-recalculatetangents-when-recalculating-tangents))

- Graphics: Fixed vulkan validation layers that come from incorrect barrier management when native plugin is used
    (UUM-18951)

- Package Manager: Fixed an issue causing Packages to be deleted after changing the **My Assets** cache location to non-default when the asset is updated in Package Manager.
    ([UUM-25376](https://issuetracker.unity3d.com/issues/packages-are-deleted-after-changing-the-my-assets-cache-location-to-non-default-when-the-asset-is-updated-in-package-manager))

- Profiler: Fixed Editor crash when profiler is running on machine with low memory
    (UUM-14156)

- UI Toolkit: Fixed an issue where an ExposedReference control would not serialize its value.
    (UUM-25153)

- UI Toolkit: Fixed the InspectorElement so it now applies its disabled state for embedded IMGUI inspectors.
    (UUM-25149)

- Universal RP: Fixed a missing keyword in ParticlesSimpleLit for Lightmap shadow mixing.
    ([UUM-26403](https://issuetracker.unity3d.com/issues/urp-particle-simplelit-is-missing-number-pragma-multi-compile-lightmap-shadow-mixing))

- Universal RP: Fixed Reflection Probe baking throwing errors with Render Scale set not to 1
    ([UUM-24891](https://issuetracker.unity3d.com/issues/errors-thrown-and-reflection-probe-is-partially-black-after-baking-it))

- VFX Graph: Fixed wrong particle count if read before first readback.
    (UUM-18480)




#### Package changes in 2022.2.8f1

#### Packages updated

- com.unity.learn.iet-framework.authoring: [1.2.1](https://docs.unity3d.com/Packages/com.unity.learn.iet-framework.authoring@1.2//changelog/CHANGELOG.html) → [1.2.2](https://docs.unity3d.com/Packages/com.unity.learn.iet-framework.authoring@1.2//changelog/CHANGELOG.html)