Lotus

• 1.6.1 — MusicBrainz search, OPUS editing, embedded lyrics, and more
• MusicBrainz search — five fixes MusicBrainz lookup from the track info sheet was returning empty results for obscure artists, even when the song existed in MusicBrainz and you pasted its exact MusicBrainz ID. Five layered bugs were responsible.
• ・Fixed: duration filter was silent and always-on. A ±5 second duration filter was applied to every search even though a setting existed to toggle it. The filter was never wired to anything — no UI toggle was ever rendered, and the provider ignored the setting completely. For small-label recordings that lack duration metadata on MusicBrainz, this silently dropped every result. The filter is now off by default (widened to ±15 seconds when enabled) and a "Match duration" toggle is available in the search overflow menu. ・Fixed: MusicBrainz IDs broken. Pasting a MusicBrainz UUID into the search field returned nothing because Lucene's query parser treats hyphens as NOT operators. UUIDs are now detected and routed directly to MusicBrainz's recording lookup endpoint — exact match, no Lucene. ・Fixed: special characters in track and artist names produced empty results. Characters like :, -, (, ) and others were passed straight to Lucene's query parser unescaped. Plain queries are now escaped automatically; quoted queries (from the tips dialog examples) pass through so field syntax continues to work. ・Fixed: valid results silently dropped. The response parser required release track-listing data to be present, but MusicBrainz's search endpoint often omits it — especially for singles and demos. Missing media/track data no longer drops the result. ・Fixed: default 25-result limit. MusicBrainz now returns up to 50 results per search, giving more headroom alongside the other fixes.
• Lyrics fixes ・Fixed: embedded LRC lyrics were shown as raw text. Files tagged with LRC-format lyrics (timestamped lines like [00:12.50]Lyric text, common in J-pop, K-pop, C-pop, and vocaloid music) were displayed as raw timestamps instead of karaoke-style timed lyrics. The embedded lyrics reader now parses LRC content the same way the network provider does, so embedded synced lyrics highlight in time with playback. ・Fixed: compilation albums showed phantom artist entries. The Artists tab and artist navigation now use the Album Artist tag with a fallback to Artist, so compilations don't shatter into one-entry per-track artist listings. ・Fixed: lyric sync scrolled to the wrong line. The lyrics sheet now scrolls to the currently-synced line rather than the next one, so you can read what's being sung right now.
• OPUS metadata editing ・Fixed: OPUS (.opus) files could not be edited. The metadata editor (jaudiotagger) has no support for the OPUS format and rejected files with "No reader associated with this extension:opus." A custom OGG container-level tag editor now handles OPUS files directly — it modifies the OpusTags (VorbisComment) packet in-place without touching the audio data. Title, album, artist, album artist, genre, year, track number, and lyrics can all be written to OPUS files. Cover art editing is not yet supported for OPUS.
• MusicBrainz field qualifier case normalization ・Fixed: capitalized field names like Artist: or Release: were treated as literal text because MusicBrainz's Lucene field names are case-sensitive. The search provider now automatically lowercases recognized field qualifiers (Artist: → artist:, Release: → release:, etc.) so the tips-dialog syntax works regardless of capitalization.
• UI and usability improvements ・"Match duration" toggle added to the search overflow menu. The duration filter (which restricts MusicBrainz results to tracks within ±15 seconds of your file) was previously hidden and always-on. It is now off by default, and a toggle with a visible checkmark sits in the three-dot menu of the info-search screen. ・Search tips dialog expanded. Now covers MusicBrainz ID lookup (paste a UUID to find the exact recording), duration matching (what the toggle does and when to turn it off), and the existing quote and field-syntax guidance (artist:"Name", release:"Title", combined with AND). ・Overwrite button shows a disabled state for unsupported formats. If a file format can't be written to, the Changes screen now shows a greyed-out "This file format is not supported for metadata editing" button instead of letting you tap through to an error.

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