1.5.0.104-cpr-vcodex

Changes

• Cover Grid group picker can now show cover tiles instead of a text list, chosen per grouping type via two new settings (Author group display, default List; Series group display, default Grid). Series tiles use the cover of the series' first book; author tiles show a placeholder and the name.
• Added a persisted library index: grouping opens read title/author/series from disk instead of re-parsing every book's content.opf, cutting a grouping open from ~14 s to ~0.4 s on a 40-book library. Prompts to update when the library has changed, or when a folder hasn't been indexed yet, with the option to carry on with what's cached.
• Added Delete cover cache (Settings > Apps > Cover Grid), and made Generate all covers build the library index as it goes.
• Fixed the firmware crashing out of memory when opening a series group on a large library; cover generation now refuses to start when contiguous heap is too low rather than aborting, and retries when the page changes.
• Fixed the grouped grid's Back hint reading "Home" when it returns to the group picker, and Back from a group returning to the top of the picker instead of the group just left.
• Renamed the no-series bucket to "No series" (it was truncating on a tile), wrapped over-long button labels and confirmation text instead of cutting them off, and merged upstream through 1.5.0.9.

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1.5.0.103-cpr-vcodex

Changes

• Fixed the Cover Grid "Generate all covers" progress screen, where the "N / total" count overlapped the built-in percentage label; the completion screen now also names the folder that was scanned.
• Fixed Cover Grid grouping: pressing Back from inside a grouped/filtered view now returns to the author/series picker instead of exiting straight to the Home screen.

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1.5.0.102-cpr-vcodex

Changes

• Added grouping to the Cover Grid mosaic browser: group books by Author or Series via a two-step picker, with a default-grouping setting and "Standalone books"/"Unknown" fallback buckets for books missing that metadata. Series info is read from calibre:series/calibre:series_index EPUB metadata (not previously parsed).
• Added an on-demand "Generate all covers" action (Settings > Apps > Cover Grid) to bulk-generate metadata/covers for the whole library ahead of time, rather than only lazily on grid entry. Not yet device-tested — built and compiles clean, but unverified on hardware.
• Reworked the library-folder picker: it can now create a new folder in place (with quick-insert name suggestions) instead of only picking an existing one, and the missing/empty-folder case shows a small dismissable info dialog instead of a separate full-screen popup. Fixed the picker's Back button jumping to the Home screen instead of cancelling back to the caller.
• Settings: long-press Back at the tab row now moves to the previous tab instead of exiting to Home.

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1.5.0.101-cpr-vcodex

Changes

• Added a configurable Library folder setting (Settings > System, default /books) for the Cover Grid mosaic browser, with missing-folder handling: entering the grid checks the folder exists and, if not, offers to create it or pick another via a new folder-picker mode on the file browser.

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1.5.0.100-cpr-vcodex

Changes

• Added a mosaic Cover Grid library browser: a 3×3 grid of book covers, opened as its own reorderable Apps shortcut alongside the existing file list. Recursively scans the library folder, shows the book title under each cover, indexes covers incrementally with a first-time "loading" overlay, and navigates by book (Left/Right) or by row keeping the column (Up/Down).
• Personal fork build based on upstream 1.5.0.5; numbered 1.5.0.100 to stay clear of upstream's release sequence.

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