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v2.0.1 - P0 fixes + update integrity

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@Layellie Layellie released this 28 May 15:04
· 2 commits to main since this release
v2.0.1
085bf00

What's new

Bug fixes

  • Memory monitor: removed an AVRT thread-characteristic call that was being lost across every await on the 1 s PeriodicTimer loop, leaking the handle without any scheduling benefit.
  • Standby purge: the process token opened by OpenProcessToken in ElevatePrivilege is now closed; previously every auto-purge leaked a kernel handle.
  • Settings persistence: StandbyLimitMb / FreeLimitMb writes are now debounced (500 ms). A four-digit value no longer triggers four registry writes.
  • Game Mode PID tracking: replaced HashSet<int> with ConcurrentDictionary<int, byte> so overlapping monitor ticks and UI Clear() calls cannot corrupt the set.
  • Standby calculation: the gauge now sums Normal-Priority + Reserve + Core standby buckets. Reading only the Reserve bucket (as before) under-reported standby by an order of magnitude on most systems.

Game-mode effectiveness

  • Each game process now receives SetProcessInformation(ProcessPowerThrottling) with IGNORE_TIMER_RESOLUTION + EXECUTION_SPEED opt-out, so Windows 11 honours the 0.5 ms timer even when the game loses foreground focus.

Update integrity

  • The in-app updater now streams a SHA-256 hash while downloading and verifies it against either the SHA256: line in the release body or a *.sha256 / SHA256SUMS asset on the release. On mismatch the file is deleted and the install is aborted.

Hardening

  • SetDefaultDllDirectories(LOAD_LIBRARY_SEARCH_DEFAULT_DIRS) is called at startup so a DLL planted next to the admin-elevated exe cannot be loaded.

Repo hygiene

  • Added MIT LICENSE (repo was previously license-less).
  • Added .github/dependabot.yml for weekly NuGet + GitHub Actions dependency PRs.
  • Removed the duplicate ARCHITECTURE_UPDATE.md document.

Integrity

SHA256: d3c26b1baf5f266f924dfc9e4c6d6c16bebb24ab63fd60bf635095cdfd46f553

Installer: StandbyAndTimer_Setup_2.0.1.exe (72.2 MB, self-contained .NET 10)
Requirements: Windows 10 21H1+ or Windows 11, x64, Administrator privileges

Assets 4
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