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RANDOM MAC v1.1.2

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@github-actions github-actions released this 08 May 02:42
v1.1.2
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RANDOM MAC v1.1.2

A small but important bugfix release on top of v1.1.1. Two correctness fixes around app instancing and the system-tray menu, plus tray-menu localization + restored Fluent icons.

Application logic in RandomMac.Core is unchanged. Existing settings.json / blacklist.json / history.json files load without migration.

Built with C# 13 / .NET 11 (preview) for the App project, .NET 9 for Core.

Bug fixes

  • Process duplication on every launch. Every time you opened RANDOM MAC while the previous instance was still resident in the tray (default MinimizeToTray=true keeps the process alive when you close the window), a new RandomMac.App.exe process started. Over hours of use, Task Manager filled with parallel processes — none of them visibly active.
    Fixed via a single-instance gate in Program.cs using Microsoft.Windows.AppLifecycle.AppInstance.FindOrRegisterForKey. Secondary launches now redirect activation to the primary instance and exit; the primary's Activated handler marshals to the UI dispatcher and brings the existing window back from the tray. Velopack's --veloapp-* install/update lifecycle still runs first and is unaffected.
  • Tray right-click menu items didn't fire. The right-click menu showed all 3 items (Show / Randomize Active Adapter / Exit) with correct text and icons, but clicking any of them did nothing.
    Root cause: H.NotifyIcon's default ContextMenuMode = PopupMenu builds a Win32 popup from MenuFlyout.Items and dispatches selections via each item's ICommand — MenuFlyoutItem.Click events do not fire in this mode (documented in the H.NotifyIcon README, easy to miss because the WinUI MenuFlyout API exposes both). All three items now use Command = new RelayCommand(...) instead of item.Click += ....
    As defense-in-depth, the --minimized startup path also now primes the MenuFlyout's XamlRoot via an off-screen activate-then-hide, so a future switch to ContextMenuMode.SecondWindow would work without further changes.

Changed

  • Tray menu localized. Items used to render hardcoded English regardless of the chosen UI language. New keys Tray_Show, Tray_RandomizeActive, Tray_Exit in Lang.resx (en) and Lang.vi.resx (vi: "Hiện cửa sổ" / "Đổi MAC adapter đang hoạt động" / "Thoát"), pulled via Loc.Get(...) at menu-build time.
  • Tray FontIcon glyphs rewritten as \uXXXX C# escape sequences ( Window,  Shuffle,  ChromeClose) instead of raw Private-Use-Area chars, so they survive any future tooling write that strips PUA codepoints.

What did NOT change

  • Every algorithm in RandomMac.Core: MAC generation, registry write, WMI restart, blacklist, history, settings, OUI lookup, update service.
  • Velopack 0.0.1298 packaging (unpackaged, self-contained).
  • requireAdministrator manifest (no UAC at boot via Task Scheduler).
  • All 37 RandomMac.Tests unit tests still pass.

Smoke checklist (manual)

  1. Launch as Administrator. Window opens, tray icon appears.
  2. Close the window with MinimizeToTray=true (default). Process stays in the tray.
  3. Double-click the desktop shortcut (or run the exe again) — the existing window comes back to the foreground; Task Manager shows exactly one RandomMac.App.exe, not two.
  4. Repeat step 3 several times — process count stays at 1.
  5. Right-click the tray icon → menu shows three localized items with Fluent icons.
  6. Click "Hiện cửa sổ" / "Show" → window appears centered on screen.
  7. Close → returns to tray. Right-click → "Đổi MAC adapter đang hoạt động" / "Randomize Active Adapter" → notification confirms MAC change.
  8. Right-click → "Thoát" / "Exit" → process exits cleanly.
  9. Settings → enable Run at Startup + Start Minimized. Sign out and back in (or run the scheduled task manually). Window does not flash on screen, tray icon appears, right-click menu works on first try.

Compatibility

  • Windows 11 (Mica) / Windows 10 22H2 (Acrylic fallback) / older (solid backdrop).
  • x64 only. ARM64 not supported in this release.
  • Bundled WinAppSDK runtime + .NET 11 (~225 MB self-contained).
  • Building from source needs the .NET 11 preview SDK (global.json pinned); see DEV_ENVIRONMENT.md.
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