Mixxx 2.5.1

What's new in this version:

Controller Mappings:
- Behringer DDM4000 & BCR2000: Update mappings to 2.5
- DJ TechTools MIDI Fighter Spectra: Add controller mapping
- Hercules DJControl Inpulse 300: add toneplay, slicer, and beatmatch functionalities
- Hercules DJControl Inpulse 500: New mapping
- Hercules DJ Console Mk1: Fix pitch bend buttons
- M-Vave SMC-Mixer: Add controller mapping
- M-Vave SMK-25 II: Piano keyboard mapping
- Numark Mixtrack Platinum: Fix VU Meters
- Numark NS6II: New mapping
- Numark Platinum FX: New mapping
- Pioneer-DDJ-SB3: Fixes slip mode and adds missing knob controls
- Reloop Digital Jockey 2 IE: New mapping
- Traktor S4mk3: Set 4 decks, avoid CO warnings for decks 3/4, eg. VU meter
- Traktor S4mk3: Smooth xfader curve for Const Power mode
- Traktor S4mk3: stop wheel led blinking when track is over/stopped
- Traktor Kontrol S3: Use pitch absolute mode as described in the manual
- Stanton SCS.1m/d; Keith McMillen QuNeo; EKS Otus: use playposition instead of non-existent visual_playposition

Controller Backend:
- Controllers: Avoid timer warning on button release
- Controller preferences: Fix notify of pending changes when closing preferences
- Controller preferences: Fix broken overwrite dialog ('Save as..' not working)
- Controller preferences: Don't break support link texts
- Controller preferences: Fix wrong mapping change confirmation request caused by MidiController::makeInputHandler()
- Controller mapping info: Fix cropped description text
- MIDI controller learning: Make control box search usable
- MIDI controller learning: Don't reload mapping after learn
- MIDI controller learning: Correct skin control for mic/aux section
- MIDI controller learning: Add more cue controls for samplers
- MIDI controller learning: Continue after the maximum learning time is over
- Allow midino 0 in `MidiController::makeInputHandler()
- Fix: provide incomingData to MIDI sysex mappings
- Fix log spam when using Midi for light mapping
- Fix for TypeError in midi-components-0.0.js
- Fix crash due to concurrent access in MidiController

Skins:
- Deere/LateNight (64 samplers): Bring back library in regular view
- Fix crash when hiding waveforms in Deere
- Waveform Overview: Abort play pos dragging if cursor is released outside the valid area
- Waveform Overview: Also render analysis progress when triggered by track menu or analysis feature
- Don't show 'menubar hide' dialog when switching skins
- Key Wheel: Move to View menu and make it a floating tool window
- Center effect parameter names
- Track menu: highlight row when hovering checkbox

Library:
- Add Ctrl+Shift+C to copy the content of the selected cell(s) (The Mxxx 2.4 behaviour of Ctrl+C).
- Fix MusicBrainz lookup on Windows and macOS
- Library scanner: Update cached 'missing' flag when file is redicovered
- Hidden Tracks: Allow 'load to' via track context manu
- Update to libdjinterop 0.24.3 - support for Engine 4.1/4.2
- Fix writing metadata via symlink
- Library menu: change "Engine DJ Prime" to "Engine DJ"
- Fix file extension handling during playlist export
- Fix manual key metadata editing in track properties dialog
- History: Don't allow joining with locked previous playlist
- Track info dialog: fixed cover label (max) size
- Track Menu: Reset eject after moving track file to trash
- Fix AutoDJ "Remove Crate" action
- Fix scrolling issue with coverart columns visible
- Developer Tools: multi-word search, no Tab navigation in controls table
- Analyze feature: respect New / All selection when searching
- Stop populating Computer library feature when Mixxx should close
- Tracks: apply played/missing text color also to selected tracks
- Tracks: show_track_menu at index position
- Search related menu: improve checkbox click UX
- Avoid false missing tracks due to db inconsistency
- Fix automatic trimming of search bar text
- Avoid crash after removing Quick Link

Other Fixes:
- Enable R3 time-stretching with Rubberband 4.0.0 API version numbers
- Preferences Effects: add Hide/Unhide (move) buttons to Effects tab
- Preferences Effects: left/right key in effect lists trigger hide/unhide
- Fix beat sync in Flanger effect
- Apply talkover ducking after main effects to allow using a compressor effect
- Fix sporadic deadlocks when closing Mixxx or changing sound devices
- PositionScratchController: Fix loop wrap-around case
- Allow seeking to a hotcue during waveform scratching
- Reset saved loop when toggling off after switching cue type
- Fix leaks from fid_design()

Target support:
- Allow to build with git "showSignature = true"
- Support building with Qt 6.8/6.9
- Welcome Ubuntu Plucky Puffin; Good bye Mantic Minotaur
- Add more translations to Linux desktop file
- Debian: recommend qt6-translations-l10n
- Update FindFFTW3.cmake to not find version 2
- Allow building without tests-tools via new CMake options BUILD_TESTING and BUILD_BENCH
- Fix and improve "missing env" error message
- Qt 6.8: Ensure Mixxx uses "windowsvista" Qt style on Windows
- Raise macOS target version to 11 (Qt 6.5 requirement).
- Fail early when building on WSL
- Remove useless udev rule
- Handle new " / " from taglib 2.0