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Oldest GUI application that still runs on Windows 11
enlyth investigates which is the oldest unmodified GUI application that still runs natively on 64-bit Windows 11, given that 16-bit programs are no longer supported, and shows Windows 1.01's REVERSI.EXE running via otvdm as a bonus.
2 min · 525 words
WSL2 vs WSL3 Benchmarks: Performance, Memory, and Syscall Scaling
Tony Metzidis benchmarks WSL 2.6.3.0 (Linux 6.6) against WSL 3.0.2.0 (Linux 6.18) across kernel microbenchmarks, memory bandwidth and an end-to-end GoReleaser build, finding WSL3 roughly 5-60% faster depending on workload and explaining where the gains come from.
3 min · 757 words
If somebody tries to hot-patch an already-hot-patched function, how do they avoid conflicts?
Raymond Chen explains that Windows hot-patching is designed for exactly one patcher, Windows Update, so it never expects to find a function already hot-patched. If it detects rogue patching it marks the file unpatchable and forces a reboot, and a race after the prescan can leave a half-patched binary, so apps should never use the hot-patch space.
2 min · 417 words