MuseScore 4.5.0

What's new in this version:

Engraving:
See Engraving improvements in MuseScore Studio 4.5. Highlights include:
- Large time signatures
- Laissez-vibrer (l.v.) ties
- System locks (force measures to appear on a particular system, prevent reflow)
- System markings: control which staves tempos and other markings appear on via the 'Layout' panel (formerly 'Instruments')
- Automatic creation of partial ties and courtesy clefs, key, and time signatures at repeats and jumps
- Options to extend slurs and lyric extension lines over repeats and jumps
- Automatic masking around text and dynamics when they overlap barlines
- More style options for multi-measure rests
- All text items are now anchorable at any rhythmic position
- Improved horizontal spacing and lyric spacing
- Various fixes for local time signatures

Percussion:
- All-new percussion panel with 8 columns of input pads (now fully accessible; replaces the old drumset panel)
- Improved percussion note input: notes are now always entered at the cursor position, and can be input at any available stave position with the mouse
- Ability to customize the layout of the percussion panel
- Keyboard shortcuts and MIDI pitches are displayed on the percussion pads (keyboard shortcuts can also be assigned using any key)
- New Percussion and General MIDI Percussion instruments (replaces the generic Percussion instrument and the Percussion Synthesizer) with full mapping for Muse Percussion (MuseSounds)
- Minor changes to various percussion instruments

Interaction:
- New 'input by duration' mode
- General refinements to note input: improved discoverability, relocation of legacy modes, and a new option to set accidentals, augmentation dots, and articulations to apply to either the next or previous note entered   
- New rapid entry system for dynamic markings, including in-score popup, dedicated keyboard shortcut, type-to-enter dynamic markings, and option to draw hairpins from dynamic markings
- Click and drag a range selection to move it to a different staff, measure, or beat; hold Alt/Option while dragging to copy the material
- Copying and pasting multiple individual elements together is now more reliable and preserves the relative positions of the elements (and other improvements to copying and pasting)
- Improved selection behaviour
- Option to input MIDI as written or sounding pitch for transposing instruments
- The playback speed control is now also available by clicking the tempo indicator in the playback toolbar (without needing to undock the playback toolbar)
- New 'History' panel available in the 'View' menu

Playback:
- Improved "let ring" playback for guitar with MuseSounds
- Support for l.v. ties for MS Basic, VST (limited) and MuseSounds (Muse Keys, and Muse Guitars Vols. 1 and 2, with other libraries coming soon)
- Muse Percussion sounds for Mixed Percussion and General MIDI Percussion instruments
- Numerous fixes for tied notes

Import/export:
- SVG: page size is now measured in millimetres instead of pixels
- MEI: support for voice assignment of dynamics, staff line color, harp pedal diagrams & MuseScore element IDs
- MusicXML: various fixes and improvements

Accessibility:
- Style files for various sizes of Modified Stave Notation (MSN) are included with the program (courtesy of RNIB)
- Convenient shortcut to built-in styles available via Format > Load styles on Windows and macOS

General:
- New app icon and splash screen
- Fixed various crashes and corruptions

Linux:
- Ubuntu users please note that this update requires at least v.22.04