Bumps _SOULSYNC_BASE_VERSION to 2.7.4 and refreshes the What's New panel +
version-modal highlight reel to the 2.7.4 set (re-identify #889 headline; #890
title-strip; #891 residual-folder cleanup; #886 AAC tier; #887 Spotify Free
status; #884 NZBGet; #885 tz; Sokhi import-cleanup batch), with 2.7.3 rolled into
the brief 'earlier versions' summary per the current-release-only convention.
- _SOULSYNC_BASE_VERSION → 2.6.4
- helper.js: '2.6.4' unreleased → 'May 28, 2026 — 2.6.4 release'
- .github/workflows/docker-publish.yml default version_tag → 2.6.4
- pr_description.md: rewrite for 2.6.4 with #721 as the headline patch,
2.6.3 fixes carried forward unchanged (2.6.3 was bumped on dev but
never reached main / docker, so 2.6.4 is the first release to ship
this batch)
Adds the PR description for the torrent/usenet release-staging feature and updates drifted tests for the new plugin registry entries and search exclude_sources signature.
Verified with the focused pytest command covering cancellation and default registry source registration.
Use the first available album, EP, or single artwork when an artist portrait is missing or fails to load, keeping artist detail pages visually populated across library and source-only artists.
Refresh the PR description for the artist detail deep-link branch.
