QML GUI Update

Date

5 May, 2026

Topics

Bitcoin Core Gui Qml

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A lot has been done in the QML GUI after a break
- Possible to release as a full replacement to the previous GUI
  - Could be potentially done by release 0.33
- Roughly 110 items to complete
  - Smaller and more advanced features
  - Build features
- Every main feature has parody
- Some features have a chance to be implemented properly the second time around
- Could be implemented in the current guix scripts
- June should have unsigned builds posted at bitcoin core app website for testing
- A full replacement would be available thereafter
- Getting into the next round of design
- Big reason for productivity is because of AI
  - LLMs are great at QML
  - Figma to screens are easier than ever
  - Ask agent to compare actual to target screenshot
    - Only a few rounds to converge
- Desktop feels second class to the mobile
  - Two screens are problematic: settings and transaction history
  - Another round to do those improvements
- Is there any incremental PRs that can be done?
  - Separate repository at first
  - When there is a massive PR it will have already been "pre reviewed" in separate repository
- Removing C++ models, then QT subdirectory
- Two GUIs in parallel probably not possible
- Static builds do not use entire QT framework
  - There are dozens of sub-models
  - Downloaded and built separately
- QT5 -> QT6
  - No extra dependencies
- Support for wayland requires openGL
- Some work to separate GUI and non-GUI guix prefix
  - Considered as a separate project
  - Even now there is a single guix prefix for building and signing but they do not need to be combined
- There is a project board with 110 items to check out

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QML GUI Update

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