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com.unity.ui.builder is a 'shim' package. Shims are built-in packages that have “type”: “shim” defined, and whose sole purpose is to “trick” the UPM dependency resolution algorithm into accepting a graph with “holes”. They do not represent actual packages that users should see or interact with.
Repo steps:
Expected Result: Package installs without issue
Actual Result: Error appears in console
Reproducible with: 2021.3.22f1, 2022.2.13f1, 2023.1.0b10, 2023.2.0a8
Not Reproducible with 2020.3.46f1 as functionality doesn't exist
Platforms tested: Win 11, MacOS Monterey, Version 12.6.2
Notes:
>c_DisplayClass81_0.<ExtraFetchInternal>b_0 (UnityEditor.PackageManager.Requests.SearchRequest requst) (at <91bc702d287f436d8e2c989fcc2505fc>:0)
UnityEditor.PackageManager.UI.Internal.UpmBaseOperation`1[T].OnSuccess () (at <91bc702d287f436d8e2c989fcc2505fc>:0)
UnityEditor.PackageManager.UI.Internal.UpmBaseOperation`1[T].Progress () (at <91bc702d287f436d8e2c989fcc2505fc>:0)
UnityEditor.EditorApplication.Internal_CallUpdateFunctions () (at <91bc702d287f436d8e2c989fcc2505fc>:0)
mClient+<>c_DisplayClass81_0.<ExtraFetchInternal>b_0 (UnityEditor.PackageManager.Requests.SearchRequest requst) (at <91bc702d287f436d8e2c989fcc2505fc>:0)
UnityEditor.PackageManager.UI.Internal.UpmBaseOperation`1[T].OnSuccess () (at <91bc702d287f436d8e2c989fcc2505fc>:0)
UnityEditor.PackageManager.UI.Internal.UpmBaseOperation`1[T].Progress () (at <91bc702d287f436d8e2c989fcc2505fc>:0)
UnityEditor.EditorApplication.Internal_CallUpdateFunctions () (at <91bc702d287f436d8e2c989fcc2505fc>:0)
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