So I've installed Entities 0.50.0-preview.24 in Unity 2021.2.16f1 and I get errors in console related to this package. Eg.,
Entities 0.50.0-preview.24 errors
Library\PackageCache\com.unity.entities@0.50.0-preview.24\Unity.Entities.Editor\Unity.InternalAPIEditorBridge.002\ProfilerModules\MemoryProfilerModuleBridge.cs(92,32): error CS0507: 'MemoryProfilerModuleBridge.defaultOrderIndex': cannot change access modifiers when overriding 'private protected' inherited member 'ProfilerModule.defaultOrderIndex'
Entities 0.50.0-preview.24 errors