dotnet-gc-memory Garbage collection and memory management for .NET applications. Covers GC modes (workstation vs server, concurrent vs non-concurrent), Large Object Heap (LOH) and Pinned Object Heap (POH), generational tuning (Gen0/1/2), memory pressure notifications, deep Span<T /Memory<T ownership patterns beyond basics, buffer pooling with ArrayPool<T and MemoryPool<T , weak references, finalizers vs IDisposable, and memory profiling with dotMemory and PerfView. Out of scope: Span<T /Memory<T syntax introduction and basic usage -- see [skill:dotnet-performance-patterns]. Microbenchmarking…