macOS: Note windows use light background while app theme is Dark

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  wp5949134 · Member · March 15, 2026 at 11:07 am

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  Hi,
  I have been using Simplenote for many years on macOS and recently noticed what looks like a visual bug with Dark theme.

  Environment
  – App: Simplenote for macOS 2.21
  – OS: macOS 26.3.1

  Steps to reproduce:
  – Open Simplenote for macOS.
  – In Preferences, set Theme to “Dark”.
  – Make sure the main app window shows notes with a dark background.
  – Open any note in a separate window (using the “Open in New Window” button / menu item).

  Expected result:
  The separate note window uses the same dark background as the main Simplenote window.

  Actual result:
  The separate note window opens with a light (white) background, while the rest of the app is in Dark mode.

  This behavior is consistent and reproducible for me. I have attached a screenshot that shows the main Simplenote window in Dark theme and the separate note window with a light background.

  Thanks in advance.

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  wp5949134 · Member · March 15, 2026 at 11:09 am

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  Screenshot – https://www.dropbox.com/scl/fi/r8uw59cfmjiylh98ggurp/Screenshot-2026-03-15-at-13.00.19.png?rlkey=sa6yr5q9b08w3fkutctb70db8&dl=0