Bump version and update changelog for 3.0.0a4

Author: phw

NEWS.md

@@ -1,5 +1,44 @@
 # MusicBrainz Picard Changes
 
+## Version 3.0.0a4 - 2026-03-20
+
+### Bugfixes
+- [PICARD-3189](https://tickets.metabrainz.org/browse/PICARD-3189) - Restore defaults does not work properly when profile is enabled
+- [PICARD-3204](https://tickets.metabrainz.org/browse/PICARD-3204) - PyQt6-Qt6 dependency breaks Linux distro environments
+- [PICARD-3205](https://tickets.metabrainz.org/browse/PICARD-3205) - fpcalc error message in options stays red even after selecting a valid fpcalc
+- [PICARD-3206](https://tickets.metabrainz.org/browse/PICARD-3206) - `itunes_cddb_1` should map to `COMM:iTunes_CDDB_1` in ID3
+- [PICARD-3211](https://tickets.metabrainz.org/browse/PICARD-3211) - macOS: SSL CERTIFICATE_VERIFY_FAILED loading plugins registry
+- [PICARD-3213](https://tickets.metabrainz.org/browse/PICARD-3213) - `is_local_path` incorrectly handles Windows drive-relative paths (C:repo)
+- [PICARD-3219](https://tickets.metabrainz.org/browse/PICARD-3219) - Cover art not displayed
+- [PICARD-3220](https://tickets.metabrainz.org/browse/PICARD-3220) - Image processing filters (e.g. ignore smaller images) are ignored for local files
+- [PICARD-3221](https://tickets.metabrainz.org/browse/PICARD-3221) - Picard tries to remove a file from cluster twice, raising an exception
+- [PICARD-3227](https://tickets.metabrainz.org/browse/PICARD-3227) - Dark theme detection for GNOME can fail
+- [PICARD-3229](https://tickets.metabrainz.org/browse/PICARD-3229) - Guessing track number and title from filename fails with "index out of range"
+- [PICARD-3230](https://tickets.metabrainz.org/browse/PICARD-3230) - Deleting totaldiscs also removes discnumber from ASF tags
+- [PICARD-3234](https://tickets.metabrainz.org/browse/PICARD-3234) - Columns being added are not visible
+- [PICARD-3235](https://tickets.metabrainz.org/browse/PICARD-3235) - Fingerprint column shows text overlapping the icon
+
+### New Features
+- [PICARD-2383](https://tickets.metabrainz.org/browse/PICARD-2383) - Add `musicbrainz_composerid` tag
+- [PICARD-3216](https://tickets.metabrainz.org/browse/PICARD-3216) - Provide option for automatically checking for available plugin updates
+- [PICARD-3223](https://tickets.metabrainz.org/browse/PICARD-3223) - Allow plugins to add blocking album tasks
+
+### Improvements
+- [PICARD-3212](https://tickets.metabrainz.org/browse/PICARD-3212) - Qt's toolbar extension button (overflow arrow) uses a dark icon that is almost invisible on dark backgrounds
+- [PICARD-3231](https://tickets.metabrainz.org/browse/PICARD-3231) - Improve plugin blacklist implementation and associated tests
+- [PICARD-3232](https://tickets.metabrainz.org/browse/PICARD-3232) - Review and improve plugins registry redirects code and tests
+
+### Tasks
+- [PICARD-2859](https://tickets.metabrainz.org/browse/PICARD-2859) - Update documentation for profile highlight color options
+- [PICARD-2860](https://tickets.metabrainz.org/browse/PICARD-2860) - Update documentation for new command line options for additional debug output
+- [PICARD-2861](https://tickets.metabrainz.org/browse/PICARD-2861) - Update documentation for new network cache size option setting
+- [PICARD-2862](https://tickets.metabrainz.org/browse/PICARD-2862) - Update documentation for new date sanitization settings
+- [PICARD-2877](https://tickets.metabrainz.org/browse/PICARD-2877) - Update documentation for revised Options > Advanced > Maintenance page
+- [PICARD-3136](https://tickets.metabrainz.org/browse/PICARD-3136) - Update documentation for ReadTheDocs support options
+- [PICARD-3217](https://tickets.metabrainz.org/browse/PICARD-3217) - Document automatic plugin update checking
+- [PICARD-3200](https://tickets.metabrainz.org/browse/PICARD-3200) - Clarify documentation “Understanding Acoustic Fingerprinting and AcoustIDs”
+- [PICARD-3233](https://tickets.metabrainz.org/browse/PICARD-3233) - Redirect documentation URL from GitHub Pages to ReadTheDocs
+
 ## Version 3.0.0a3 - 2026-02-25
 
 ### Bugfixes

picard/__init__.py

@@ -42,7 +42,7 @@
 PICARD_DISPLAY_NAME = "MusicBrainz Picard"
 PICARD_APP_ID = "org.musicbrainz.Picard"
 PICARD_DESKTOP_NAME = PICARD_APP_ID + ".desktop"
-PICARD_VERSION = Version(3, 0, 0, 'alpha', 3)
+PICARD_VERSION = Version(3, 0, 0, 'alpha', 4)
 
 
 # optional build version