Gaphor

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- Fix/move connected handle
- Fix error when disconnecting line with multiple segments
- Fail CI build if Windows certificate signing fails
- namespace.py: Actually set properties for rectangle
- Update Shortcuts window

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- GTK4 is now the default for Flatpak; Windows, macOS, and AppImage still use GTK3
- Save folder is remembered across save actions
- State machine functionality has been expanded, including support for regions
- Resize of partition keeps actions in the same swimlane
- Activities (behaviors) can be assigned to classifiers
- Stereotypes can be inherited from other stereotypes
- Many GTK4 fixes: rename, search, instant editors
- Many translation updates

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- Add Copy/Paste for GTK4
- Make dialogs work with GTK4
- Fix instant editors for GTK4
- Update list view for GTK4
- Make SysML Enumerations also ValueTypes
- Add union types
- Let Gaphor check for its own health
- Add error reports window
- Add element to diagram by double click
- Ensure all models are saved with UTF-8 encoding
- Fix states can't transition to themselves
- Fix unlinking elements from the model
- Fix issue with fully pasting a diagram
- Fix scroll speed for touch screens
- Fix codeql warnings and error
- Improve text placement for Associations
- Enable additional pre-commit hooks
- Add example in docs of color for comments using CSS
- Hungarian translation updates

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- Pin support for activity diagram
- Add Activity item to diagram
- Allow to drag and drop all elements from tree view to diagram
- Codegen use all defined modeling languages
- Fix diagram dependency cycle
- Add Skip Duplicate Action and Release-Drafter Permissions
- Update permissions for CodeQL GitHub Action
- Include all diagram items in test model
- Fix GTK4 property page layouts
- Use official RAAML logo in greeter
- Relation metadata to allow better reuse
- Rename relationship connector base classes
- Add design principles to docs
- French, Finnish, Croatian translation update

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- Fix Windows build

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