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Interposer 1.0.4 Release Notes

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What's Changed​

Removed: Borderless Window Mode​

The borderless window functionality (Window.Borderless config option) has been removed entirely. This feature intercepted CreateWindowExW/A, SetWindowPos, and SetWindowLongW/A to strip border styles from the game window and center it on its monitor. While functional, it duplicated what existing, well-maintained tools like dgVoodoo2 already do — and do better, with broader compatibility across rendering backends.

The following have been removed:

  • borderless.cpp / borderless.h — all five user32 hooks (CreateWindowExW/A, SetWindowPos, SetWindowLongW/A) and the ApplyBorderless helper.
  • window.cpp / window.h — the Rect helper and GetMonitorRect utility used exclusively by the borderless hooks.
  • The Window.Borderless configuration key in Config.yml.
  • The BorderlessFullscreen.md documentation page.

If you are using Window.Borderless: true in an existing config, the key is now silently ignored — no errors will occur, but the behavior will no longer be applied. Use dgVoodoo2 or a similar tool for borderless fullscreen going forward.