Changelog

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Features

• Port to Plasma 6.6 blur - Updated to support the latest Plasma 6.6 blur implementation
• Support Plasma 6.6 - Full compatibility with Plasma 6.6
• Re-implement refraction - Added refraction as an alternative to the default contrast pass

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Bug Fixes

• Fixed falsely overwriting blur regions with empty force-blur regions resulting in decorations losing their blur (e.g., window decorations would incorrectly lose blur effects)

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Features

• Match window classes with regular expressions - More flexible window matching using regex patterns
• Improved “blur while transformed” behaviour - Much better compatibility with Wobbly Windows effect
  • Before: Blur behavior with Wobbly Windows was somewhat “undefined” (blur randomly disappearing, flickering, blur region “leaking” behind the window)
  • Now: Explicitly disable blur on window move/resize, let it transform, then explicitly reapply blur
  • The transition includes a smooth fade effect when transitioning between blurred ↔ non-blurred states

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Bug Fixes

• Fix X11 client blur on Wayland - Fixed not respecting requested blur by X11 clients on the Wayland build. The X11 property parsing logic was accidentally made exclusive to the X11 build
• Fix corner radius with Breeze decoration settings - Fixed corner radius when both “Round bottom corners of windows with no borders” (Breeze decoration settings) and “Blur decorations as well” are enabled

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Internal Changes

• Introduced WindowManager and Window classes to track all relevant window info, perform matching, etc.

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Features

• Port to the Plasma 6.5 blur - Complete rewrite based on the new Plasma 6.5 blur implementation
• Contrast pass slider controls - Contrast pass parameters can now be configured via sliders or spinboxes
• Force contrast pass parameters - Allow forcing contrast pass parameters (e.g., the Plasma panel provides its own values which are respected by default, but users can now override those values if the window-provided values look “off”)
• Auto-detect opacity blur behavior - Automatically detect if a window’s blur should be affected by its opacity based on heuristics (previously a manual option)

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Breaking Changes

• Changed config group name - If coming from the original Better Blur, you’ll need to reconfigure your settings
• Removed refraction - This feature needs a major rewrite to work with the new contrast pass of the Plasma 6.5 blur. It was removed to ease maintenance but may return in the future if there’s significant interest
• Removed static blur - This feature used several hacks and duplicated the entire effect pipeline. It was removed as the maintenance effort outweighed the benefit

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Bug Fixes

• Fixed blurring of windows with opacity < 1.0 (from KWin rules)
• Fixed artifacts around screen edges in the new contrast pass

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Miscellaneous

• Renamed project from “Better Blur” to “Better Blur DX”