Display Dimmer
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Release history

What’s new in
Display Dimmer

New features, thoughtful improvements, and reliability fixes in every release.

View 2.2.10 on GitHub

Display Dimmer release history

2.2.10

Latest
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This update expands temperature automation, protects unsaved settings changes, and improves slider feedback and responsiveness.

New

  • Adjust screen temperature from scripts using the CLI and local API, including Kelvin input (Pro).
  • Get a prompt before closing Settings when exiting with unsaved changes. Choose Apply, Keep editing, or Discard.

Improved

  • Improved slider feedback and responsiveness, with more reliable click-and-drag behavior.

2.2.9

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Display Dimmer 2.2.9 improves compatibility for blue light filtering and color temperature controls, while keeping display adjustments responsive on more Windows systems.

Improved

  • Improved compatibility for warmer screen colors and blue light filtering across more graphics drivers.
  • Improved brightness, contrast, and temperature slider responsiveness on systems with stricter software color controls.
  • Improved color temperature behavior at low brightness and across the contrast range.

2.2.8

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Display Dimmer 2.2.8 adds an adjustable blue light filter and per-display color temperature controls with Pro. Choose warmer colors to reduce blue light, with approximate Kelvin readouts and a neutral setting for each display.

New

  • Schedules, app rules, and hotkeys can now adjust color temperature as well as brightness.
  • Free users can try the blue light filter and color temperature controls for 30 minutes before upgrading.
  • Contrast and temperature sliders can now be hidden from the main window.
  • Pro can now be purchased in your browser and restored with the license key from your receipt.

Display Dimmer Pro remains a one-time purchase—no subscription required.

Improved

  • Fixed a software dimming issue that could cause brightness to jump on some displays.
  • Refined contrast, reduced unnecessary low-brightness warnings, improved tray opening, and polished Settings.

2.2.7

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This update improves gamma brightness, the Pro experience, and reliability when displays change.

Improved

  • Redesigned the Pro tab with a new overview for Pro users, including display brightness, automation status, and quick access to Pro features.
  • Improved gamma brightness so it can dim displays further while keeping colors as accurate as possible.
  • Added a brightness safety prompt with automatic revert when hardware and software dimming combine to make a display extremely dark.
  • Fixed gamma brightness getting stuck after waking from sleep when using duplicated displays.
  • Improved display identification and brightness recovery after reconnecting a monitor or TV.

2.2.6

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This update adds a requested tray behavior option and includes focused reliability and usability improvements.

New

  • Added an option to automatically hide Display Dimmer to the system tray when you switch away from it.

Improved

  • Improved brightness restoration after an unexpected shutdown.
  • Improved Gamma Guard hint delivery and made disabled brightness controls easier to understand.

2.2.5

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Changes

  • Improved Gamma Guard monitoring efficiency while keeping protection responsive for schedules and app rules.

2.2.4

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Changes

  • Improved compatibility and stability with a wider range of Windows graphics drivers.
  • Refined Settings window lifecycle handling.

2.2.3

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This update focuses on local automation, Settings polish, and reliability improvements.

New

  • Local automation and command-line support for Display Dimmer Pro.
  • Control display brightness and contrast from scripts through the running Display Dimmer app.
  • Optional JSON output and state watching for PowerShell, AutoHotkey, Task Scheduler, Stream Deck, Arduino, and other local automation workflows.
  • More hotkey actions for display control.

Improved

  • Better handling for monitor reconnects, display changes, and DDC/CI fallback.
  • Improved Settings refresh behavior around display changes and DDC/CI state changes.
  • Added a hint when Windows or another app appears to reset screen brightness.
  • Reliability fixes for linked display groups, schedules, app rules, and hotkeys.

2.2.2

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Changes

  • Refined Settings hints so they appear at more appropriate times.
  • Polished drag reordering for displays, schedules, hotkeys, and app rules.
  • Bug fixes and reliability improvements.

2.2.1

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Changes

  • Stability fixes for monitor reconnects, HDR/display changes, and DDC/CI fallback.
  • Clearer fallback behavior when DDC/CI is unavailable or a monitor is slow to respond.

2.2.0

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A major hotkey and reliability update with customizable global hotkeys, physical brightness-key support, a redesigned Settings window, linked display groups, and stronger monitor recovery.

New

  • Customizable global hotkeys for brightness, contrast, reset, display enable or disable, and automation.
  • Per-display, All Displays, and linked-group targeting, plus physical brightness-key support.
  • A redesigned, resizable Settings window and linked display groups across controls and automation.

Improved

  • Updated to .NET 8 with stronger DDC/CI, software fallback, display recovery, startup, sleep and resume, hotplug, and shutdown reliability.
  • Improved Settings organization and automation status and restore behavior.

Fixed

  • Fixed startup recovery for automation-owned software dimming, non-.exe browse validation, and rating-prompt cleanup.
Latest release

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