How to reproduce:
1. Open the “IN-81857_repro“ project
2. Open the “Main“ scene
3. Leave the Editor idle for 3+ hours

Expected result: The Editor runs
Actual result: The Editor crashes

Reproducible with: 6000.0.14f1
Could not test with: 2021.3.42f1 (some required packages were missing), 2022.3.42f1, 6000.0.15f1 (due to a different crash)

Reproducible on: Windows 11
Not reproducible on: No other environment tested

Note: On CQA’s end there was no Stack trace but a Fatal Error

Fatal Error:
Could not allocate memory: System out of memory!
Trying to allocate: 4497342464B with 16384 alignment. MemoryLabel: NativeArray
Allocation happened at: Line:132 in C:\build\output\unity\unity\Runtime\Export\Unsafe\UnsafeUtility.bindings.h

Stack Trace:
{{0x00007FFEFF23B699 (KERNELBASE) RaiseException }}
{{0x00007FFD9B352542 (Unity) LaunchBugReporter }}
{{0x00007FFD9AC1990F (Unity) EditorMonoConsole::LogToConsoleImplementation }}
{{0x00007FFD9AC1A40A (Unity) EditorMonoConsole::LogToConsoleImplementation }}
{{0x00007FFD9B8C9B9D (Unity) DebugStringToFilePostprocessedStacktrace}}