grimmory-tools/grimmory

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• Moving files to the library pattern silently overwrites another book's file when both resolve to the same path

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  Difficulty 3/5 1-2 days Newbie friendliness 74/100

  grimmory-tools/grimmory#3013 · 1 reaction · Opened Oct 27, 2026

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• Browser uploads abort at exactly 60s when the service worker controls the page; non-browser clients complete the same transfer

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  grimmory-tools/grimmory#3012 · 1 comment · Opened Oct 26, 2026

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• KoReader Sync fails behind reverse proxy

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  grimmory-tools/grimmory#2958 · 2 comments · Opened Oct 22, 2026

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• Kobo sync clears the device's "time left" estimate on every sync

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  Difficulty 3/5 1-2 days Newbie friendliness 78/100

  grimmory-tools/grimmory#2952 · 1 comment · Opened Oct 20, 2026

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• OIDC login fails on plain-HTTP (non-localhost) origins: crypto.subtle is undefined in generatePkce

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  Difficulty 4/5 3-5 days Newbie friendliness 52/100

  grimmory-tools/grimmory#2951 · 2 comments · 1 reaction · Opened Oct 19, 2026

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• PDF files synced with KOReader won't sync with web reader

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  Difficulty 3/5 1-2 days Newbie friendliness 53/100

  grimmory-tools/grimmory#2937 · Opened Oct 19, 2026

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• [BUG] Hardcover title search accepts any result: no minimum title similarity, so wrong books get applied

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  Difficulty 3/5 1-2 days Newbie friendliness 58/100

  grimmory-tools/grimmory#2935 · 2 comments · Opened Oct 18, 2026

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• Settings → Tasks times out once task history grows

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  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  grimmory-tools/grimmory#2932 · 1 comment · Opened Oct 16, 2026

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• API replacements needed before removing /app endpoints in 4.0

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  Difficulty 4/5 3-5 days Newbie friendliness 18/100

  grimmory-tools/grimmory#2885 · 2 comments · Opened Oct 14, 2026

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• PDF metadata update failing

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  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  grimmory-tools/grimmory#2869 · Opened Oct 8, 2026

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• Book Series Synopsis "Show more" button missing

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  Difficulty 3/5 1-2 days Newbie friendliness 58/100

  grimmory-tools/grimmory#2865 · Opened Oct 7, 2026

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• App hangs after cold start: all requests block, virtual threads stuck in ClassLoader.loadClass while the nested-jar lock is never released (v3.5.0, Java 25)

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  Difficulty 5/5 Over a week Newbie friendliness 18/100

  grimmory-tools/grimmory#2861 · 5 comments · Opened Oct 5, 2026

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• Replace Epub covers fully

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  backend

  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  grimmory-tools/grimmory#2845 · 2 comments · Opened Oct 2, 2026

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• Non-admin users cannot enable OPDS – KOReader library sync only works with admin role

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  Difficulty 3/5 1-2 days Newbie friendliness 67/100

  grimmory-tools/grimmory#2824 · 1 comment · Opened Oct 1, 2026

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• Web EPUB reader renders blank when saved progress came from the app API

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  web reader

  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  grimmory-tools/grimmory#2804 · 4 comments · Opened Sep 28, 2026

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• Folder audiobook length recorded as 120 s but should be 60 s (stereo MP3s at 22.05 / 24 kHz)

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  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  grimmory-tools/grimmory#2800 · Opened Sep 27, 2026

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• Note Editing - Text Editor View

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  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  grimmory-tools/grimmory#2782 · Opened Sep 27, 2026

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• Comic sidecar export drops creator-role arrays that the database and API both hold

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  Difficulty 3/5 1-2 days Newbie friendliness 70/100

  grimmory-tools/grimmory#2736 · Opened Sep 23, 2026

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• Bottom buttons are always half hidden in Book Details

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  Difficulty 3/5 1-2 days Newbie friendliness 65/100

  grimmory-tools/grimmory#2724 · Opened Sep 21, 2026

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• Metadata 'Rename/Merge/Split' feature needs case sensitivity

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  Difficulty 3/5 1-2 days Newbie friendliness 52/100

  grimmory-tools/grimmory#2723 · Opened Sep 21, 2026

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• Kobo sync download returns HTTP 500 for `.kepub.epub` files when KePub conversion is enabled

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  Difficulty 2/5 1-3 hours Newbie friendliness 84/100

  grimmory-tools/grimmory#2710 · 2 comments · Opened Sep 19, 2026

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• Installed PWA renders under the phone status bar (safe-area insets not applied)

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  Difficulty 3/5 1-2 days Newbie friendliness 72/100

  grimmory-tools/grimmory#2709 · 2 comments · Opened Sep 19, 2026

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• OPDS feeds are sorted per-page, not globally across pagination

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  llm-generated

  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  grimmory-tools/grimmory#2691 · 3 comments · Opened Sep 18, 2026

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• RanobeDB search results can be too aggressive in parsing and splitting subtitle from title

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  Difficulty 3/5 1-2 days Newbie friendliness 58/100

  grimmory-tools/grimmory#2663 · Opened Sep 17, 2026

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• Use `grimmory` for Epub metadata namespaces

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  backend chore priority: low

  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  grimmory-tools/grimmory#2660 · Opened Sep 17, 2026

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• Rescan queries fileless books once per file, making it O(files × books)

  May be free again @imnotjames claimed this 38 days ago, and no pull request is open. Open

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  grimmory-tools/grimmory#2650 · 1 comment · 1 assignee · Opened Sep 16, 2026

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• Automate i18n Sync

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  grimmory-tools/grimmory#2641 · Opened Sep 15, 2026

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• Douban Metadata Provider does not properly handle rate limit errors

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  metadata provider

  Difficulty 3/5 1-2 days Newbie friendliness 52/100

  grimmory-tools/grimmory#2637 · Opened Sep 14, 2026

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• Remove all-books fetch from app startup

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  grimmory-tools/grimmory#2599 · Opened Sep 11, 2026

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• Book performance improvements

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  grimmory-tools/grimmory#2589 · Opened Sep 11, 2026

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• Font Size not changeable on Project Gutenberg EPUB3 book

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  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  grimmory-tools/grimmory#2564 · Opened Sep 9, 2026

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• Incredibly hard (maybe impossible) to remove data from comic-creator-centric metadata fields.

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  grimmory-tools/grimmory#2559 · Opened Sep 8, 2026

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• fix(api): empty directories not deleted on book deletion when sidecars are enabled

  May be free again @abhiramaab claimed this 52 days ago, and no pull request is open. Open

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  Difficulty 2/5 1-3 hours Newbie friendliness 86/100

  grimmory-tools/grimmory#2556 · 1 comment · Opened Sep 7, 2026

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• Google Books: only the search endpoint is used, so title, page count and description come back wrong or missing

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  llm-generated metadata provider

  Difficulty 3/5 1-2 days Newbie friendliness 72/100

  grimmory-tools/grimmory#2532 · 1 comment · Opened Sep 5, 2026

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• Kobo sync fails on larger shelves

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  kobo llm-generated

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  grimmory-tools/grimmory#2530 · 1 comment · Opened Sep 5, 2026

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• Duplicate book_cover_hash causes HTTP 500 on cover lookup (NonUniqueResultException)

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  kobo needs-reproduction

  Difficulty 4/5 3-5 days Newbie friendliness 52/100

  grimmory-tools/grimmory#2529 · 4 comments · Opened Sep 5, 2026

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• Only Show Half Page

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  frontend web reader

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  grimmory-tools/grimmory#2511 · Opened Sep 3, 2026

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• Unable to fetch metadata or manually add authors

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  grimmory-tools/grimmory#2507 · 4 comments · Opened Sep 2, 2026

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• Kobo Sync breaks on Kobo Firmware 5.18

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  grimmory-tools/grimmory#2505 · 6 comments · Opened Sep 1, 2026

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• Metadata search fails when series information is included in the title

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  metadata provider

  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  grimmory-tools/grimmory#2496 · 2 comments · Opened Aug 31, 2026

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• EPUB bookmark ribbon only lights up when the bookmarked position falls exactly on a page boundary

  May be free again @mhaw claimed this 21 days ago, and no pull request is open. Open

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  Difficulty 3/5 1-2 days Newbie friendliness 70/100

  grimmory-tools/grimmory#2489 · 1 comment · Opened Aug 30, 2026

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• Comic metadata Fetch doesnt recognise Volume 01 Issue 002 naming scheme

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  needs-reproduction

  Difficulty 3/5 1-2 days Newbie friendliness 58/100

  grimmory-tools/grimmory#2483 · 4 comments · Opened Aug 29, 2026

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• Fetch Returning zero results from Amazon without ISBN

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  metadata provider needs-reproduction

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  grimmory-tools/grimmory#2481 · 6 comments · Opened Aug 29, 2026

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• OPF sidecar: calibre:series / calibre:series_index not parsed into seriesName/seriesNumber

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  Difficulty 3/5 1-2 days Newbie friendliness 70/100

  grimmory-tools/grimmory#2466 · Opened Aug 26, 2026

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• Shared Email Provider Not Displaying for Different Admin User

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  Difficulty 3/5 1-2 days Newbie friendliness 62/100

  grimmory-tools/grimmory#2423 · Opened Aug 21, 2026

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• facet results with NOT applied always exclude items with null/empty data

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  Difficulty 2/5 1-3 hours Newbie friendliness 76/100

  grimmory-tools/grimmory#2412 · Opened Aug 20, 2026

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• Highlights are not synced for some books (KOReader plugin)

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  Difficulty 3/5 1-2 days Newbie friendliness 50/100

  grimmory-tools/grimmory#2410 · 1 reaction · Opened Aug 20, 2026

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• Move & Organize misreports Current Path and defaults to the library's first path

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  Difficulty 2/5 1-3 hours Newbie friendliness 84/100

  grimmory-tools/grimmory#2406 · 2 comments · 1 reaction · Opened Aug 19, 2026

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• Book notes don't show up in Notebook

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  Difficulty 3/5 1-2 days Newbie friendliness 52/100

  grimmory-tools/grimmory#2347 · Opened Aug 13, 2026

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• Command error UI handling

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  frontend

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  grimmory-tools/grimmory#2310 · 1 comment · 1 reaction · Opened Aug 10, 2026

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