LibraryThing Release Notes

38 release notes curated from 48 sources by the Releasebot Team. Last updated: May 11, 2026

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  • May 11, 2026
    • Date parsed from source:
      May 11, 2026
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      May 11, 2026
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    LibraryThing

    Much better Helpers Log

    LibraryThing improves the Helpers Log into a faster, more complete one-stop page for tracking member contributions, with new sectioned browsing, expanded helper categories, and member-based search for easier site activity review.

    I've given the Helpers Log (https://www.librarything.com/log_helpers.php) a big upgrade. It is now essentially complete—a one-stop page for everything members are doing to help the site—which it wasn't quite before. This will allow members to examine what other members are doing more easily.

    You can see some screenshots below.

    In brief, the improvements are:

      1. It is much faster, so it's not an annoying pain to use!
      1. It's now divided into sections, like "Work" and "Author," so you can drill down to a subset of helpers easier.
      1. It includes everything that I would classify as "Helpers," except the complete Common Knowledge system, which is linked on the right of the page.
      1. New sections include Series, Awards, Pictures, Flags, Spam, Tags, Local, and Groups. (Pictures is split into author and venue; Flags covers cover flags and the three picture-flag types; Tags now includes tag combinations, tag translations, and canonical tags.)
      1. You can now search for helper actions by a given member, (e.g., GwynethM). When by member, you can go back up to a month.

    Let me know what changes you want to see. I'm thinking I should add pagination, so you can go back farther in time without making the page length insane.

    Original source
  • May 8, 2026
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      May 8, 2026
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      May 8, 2026
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    LibraryThing

    Summary Cleanup

    LibraryThing fixes work summaries by removing stray genre/HTML prefixes and cleaning up broken character encoding, making book descriptions much cleaner and easier to read.

    We have been making changes in order to clean up some of the issues with work summaries/descriptions.

    1. We have added code to find and remove the (genre name)/HTML: prefixes on some descriptions

    • Order of the Phoenix

      • Previously: Young Adult Fiction. HTML:'You are sharing the Dark Lord's thoughts and emotions…
    • Mr. Lemoncello's Fantabulous Finale

      • Previously: Juvenile Fiction. Juvenile Literature. Mystery. HTML:Do you have what it takes to be the new owner…
    • Big Jim Begins

      • Previously: Comic and Graphic Books. Juvenile Fiction. Humor (Fiction.) HTML:In DOG MAN: BIG JIM BEGINS…

    2. We have also added code to fix encoding issues in some summaries, which resulted in many <?> type icons, or foreign characters displaying as odd combinations of characters. Summaries should now be much cleaner and easier to read.

    • The Poisoned King

      • Previously: #1 New York Times bestseller Impossible Creatures, hailed as �an instant classic� (Katherine Applegate
    • Statistik - viden fra data

      • Previously: discipliner s�vel som
    • Gravglänta

      • Previously: f©œrsvinner ©Ætta©Æriga

    (thanks to @bnielsen for finding a bunch of examples of badly encoded non-English characters)

    If you see any summaries that are still displayed incorrectly, or examples of summaries that have prefixes or encoding problems, please post them here.

    Original source
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  • May 7, 2026
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      May 7, 2026
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      May 7, 2026
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    LibraryThing

    Your authors, by state

    LibraryThing adds a new stats page that maps authors by natal state, helping members see which states dominate their collections and which are missing. It also explores possible ways to improve location data with residence, birth, burial, and most-associated fields.

    Check out https://www.librarything.com/stats/MEMBERNAME/usstates

    It shows your authors by their natal state. So you can see which states predominate (it's going to be New York), and which you are missing. (I don't have any books from authors in Nevada, Wyoming, South Dakota or Alaska—at least until more authors get birthplaces.)

    Here I regret that we don't have a more general "associated with that state" field. Maybe it should look at the first line of "Places of Residence" failing over to "Place of Birth"? Even that would not fill it. For example, Edgar Allen Poe was born in Massachusetts, and his "Places of Residence" start with Boston. Maybe we could start with state where he is buried—Maryland?

    How about burial, failing to birth, failing to residence? And we add a field for "most associated with"—or we tell people to put the most-associated residence first, rather than (as now) organizing it chronologically.

    Post your map here, especially if it's interesting. I wonder if anyone has a map that ISN'T New York dominated.

    or we tell people to put the most-associated residence first, rather than (as now) organizing it chronologically.

    I don't think there is any real pattern to place of residence, but if chronological it's probably from how they're listed in biographies...

    This is pretty neat graph! I was amused by a "not set" for my currently reading collection who is Canadian - but then I saw we don't have her birthplace, only that she lives in Toronto now, so it truly is not set. :)

    eta: hello, Ohio!

    Original source
  • Apr 28, 2026
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      Apr 28, 2026
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      May 6, 2026
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    LibraryThing

    Common Knowledge has some major upgrades!

    LibraryThing adds twelve new Common Knowledge author pages, plus a refreshed homepage and All Fields view, making author data easier to browse with Your authors links, faster cached pages, and work blurber pages. It also starts cleanup on some fields and keeps the new pages English-only for now.

    As you know, Common Knowledge is a general system for adding data to LibraryThing. It's a "fielded wiki"—each bit of data is a mini wiki, tracked separately and with a history of updates.

    For years now we've had three work-level pages, for Characters (Marilyn Monroe), Events (Salem witch trials), and Places (Isle of Man).

    Today, we're introducing twelve new pages, for authors. You can find a survey of all the pages here: https://www.librarything.com/commonknowledge/

    The categories are:

    • Occupations (spy, suffragist, podcaster, sex worker)
    • Organizations (Society of Jesus, Freemasons, Phi Beta Kappa)
    • Nationalities (New Zealand, Finland, Roman Empire)
    • Education (Hampshire College, Sorbonne, Harvard University, Concord Academy)
    • Author Awards (OBE, MacArthur Fellowship, Nobel Prize)
    • Birth Places (Honolulu, Hawaii, USA, Riga, Latvia)
    • Places of Residence (Maine, USA)
    • Places of Death (Nashville, Tennessee, USA)
    • Burial Locations (Cimetière du Père-Lachaise, Paris, France, Arlington National Cemetery, Arlington, Virginia, USA)
    • Cause of Death (car crash, tuberculosis)
    • Connections (Queen Victoria, Fleming, Ian)
    • Gender (female, non-binary)

    All the new pages have a "Your authors" button, so you can see which of YOUR authors are from Hungary, went to Oxford, etc.

    We've also introduced a new Common Knowledge homepage and an All Fields page with links and data, including how many edits you've made to each field.

    Other changes include:

    • All CK pages are faster, with the larger ones now cached, with the cache date listed on the page.
    • I've added a page for work blurbers —those quotes you see on a book, telling you Stephen King thought the book "excellent!" or whatever. (In fact, Stephen King is king.)

    Now that the data is much-better exposed, there's a lot to clean up, especially in Nationalities, and a lot to add. I went ahead and did some cleanup on Hampshire College and Concord Academy.

    Please note that, as of now, all of these new pages use only English-language Common Knowledge data. Mixing other languages in made the pages confusing. What we really need is a comprehensive system of aliasing and translations so that, for example, an author's nationality is not listed as United States on the English translation and États-Unis in the French. There should be one answer, and it should be translated at need. All these new translated pages make the situation clear and the need pressing.

    Original source
  • Apr 27, 2026
    • Date parsed from source:
      Apr 27, 2026
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      May 6, 2026
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    LibraryThing

    LibraryThing adds "copies" (Phase 1)

    LibraryThing adds copies in Phase 1 for better collection management.

    LibraryThing adds "copies" (Phase 1)

    Original source
  • Apr 24, 2026
    • Date parsed from source:
      Apr 24, 2026
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      Apr 24, 2026
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    LibraryThing

    Suggested tags feature update

    LibraryThing adds suggested tags for works, making tagging easier across the site and upcoming mobile app. The new section can be shown or hidden and includes your recent and often-used tags plus algorithmic suggestions from other members, with later tweaks to improve the recommendations.

    By popular request, LibraryThing can now provide "suggested tags" for works. The option is available wherever you can change a book's tags. You can show or hide the section, as you desire.

    The section is divided into two sub-sections: "Your tags" combines a selection of your recently-used and commonly-used tags. "Suggested" suggests tags from other members and other algorithmic suggestions. Not every work has suggested tags, but most do.

    As noted, this has been a popular request, but one I've always resisted. It's been my feeling that the best tags emerge naturally from members' interests and opinions. But we felt it was important to have an easier way to tag, especially on our upcoming mobile app, and we have come to think this will strengthen tagging on the site overall.

    In the near future, I'm going to see if I can't tilt the algorithm more toward the tags you use—so it's better at suggesting your tags for new books.

    Let me know what you think.

    [User feedback and discussion omitted for brevity]

    Okay, I've

    1. Flipped the two sections
    2. Renamed "Your tags" to "Your recent and often-used"
    3. Upped the "Suggested" section to 16 tags and improved the algorithm somewhat.
    Original source
  • Apr 23, 2026
    • Date parsed from source:
      Apr 23, 2026
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      Apr 23, 2026
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    LibraryThing

    Responsive Shelves

    LibraryThing ships a redesigned book shelf component across tagmash and other discovery pages, with responsive CSS grid layout, drag-to-resize row controls, smart pagination, a cleaner filter bar, and improved rendering for library checkmarks.

    We've rolled out a new book shelf component across several pages on LibraryThing — starting with tagmash and a few other discovery pages. It's a ground-up rewrite of the shelf code that's been running (mostly unchanged) for over a decade, and we think it's a meaningful improvement.

    The old shelves calculated how many books to fit by doing math against a hardcoded pixel budget at render time. This worked reasonably well on the screen sizes of 2010, but on phones, wide monitors, or anything in between, it often got the math wrong — covers would get cut off on the right side, or you'd get awkward gaps where another book almost fit. The new shelves use CSS grid and let the browser handle layout, so books always fill the available space correctly at any width.

    Here's what's new or improved:

    • Responsive layout — the grid reflows correctly on phones, tablets, wide monitors, and everything in between. No more cut-off covers on the right edge.

    • Drag to resize —
      NEW! You can now control how many rows you see ANY place we use these new shelf views.
      Just grab the handle at the bottom-right corner and drag to show more (or fewer) rows.
      Your preference is saved so it sticks across visits. On home page modules,
      dragging saves directly to that module's settings — the same as if you'd gone into the
      module preferences and changed the row count there.

    • Smart Pagination — prev/next controls let you page through long result sets even if you change the size of the view and the number of items on screen changes.

    • Filter bar — many pages like tagmash now have a cleaner filter bar with Publication date and Media type dropdowns, replacing the old pillbox UI that didn't adapt well on small screens.

    • "Have it" checkmarks — the green checkmarks showing which books are in your library are still there, now with slightly cleaner rendering.

    If you spot anything odd let us know here.

    (The work for this feature was done by @conceptDawg)

    Original source
  • Apr 19, 2026
    • Date parsed from source:
      Apr 19, 2026
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      Apr 19, 2026
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    LibraryThing

    Improved Place, Character and Event pages

    LibraryThing improves Place, Character and Event pages with the standard view bar, new table-style results, filtering by media, publication year and Your books, plus related tags and related lists sections.

    I've made several chnges to bring the Place, Character and Event pages up to snuff with the other pages I've recently revamped (tags, tagmashes, genres, LCC and MDS).

    Improvements include:

    • Pages now include the now-standard bar, allowing you to see results as covers, titles or—new—the previous "table" format.
    • The bar includes filtering by media, publication year and whether the books are in Your books
    • Related tags section
    • Related lists section

    Examples:

    Places — London, England, UK
    Places — Paris, France
    Places — Hell
    — Character — Andy Warhol
    Character — Santa Claus
    — Character — Satan
    Events — World War II
    Events — Boston Massacre

    Some ideas for improvements:

    1. Tagmash has a special search box on it, so you can make new tagmashes. But we need an easy way to search for a place, character or event on place, character and event pages. As it is, you'd have to search and then switch facet on the left of the results. I think that's suboptimal.
    2. Places need to get correlated to real places, so you could see a map of significant places around you.
    Original source
  • Apr 19, 2026
    • Date parsed from source:
      Apr 19, 2026
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      Apr 19, 2026
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    LibraryThing

    Tag page improvements

    LibraryThing adds major tag page improvements, including a your books filter, orange tag icons for your own tags, related series and lists, and a new scoreboard with key stats. Tagmash pages also gain related series and lists.

    Following on my improvements to tags, tagmashes, genre, LCC and MDS pages (see https://www.librarything.com/topic/383744), I've pushed some major changes to tag pages:

    • Tag pages now have a "your books" filter, so you can see the tag filtered down to your books
    • If you yourself have used the tag on a work, it shows on the cover with an orange tag icon
    • Tag pages now have sections for "Related Series" and "Related Lists."
    • Tag pages now have a "scoreboard" on top, with crucial stats, and the aliases and translations have moved down the page.

    Examples:

    Science Fiction
    Dragons
    Cozy mystery
    Historical Fiction
    Alexander the Great + Fiction
    Middle Grade + Magic
    Maine + horror

    Tagmash pages have also acquired Related Series and Related Lists.

    Original source
  • Apr 18, 2026
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      Apr 18, 2026
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      Apr 18, 2026
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    LibraryThing

    Venue opened and closed dates

    LibraryThing adds opened and closed dates for venues.

    Venues now have opened and, if defunct, closed dates.

    Original source
  • Apr 18, 2026
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      Apr 18, 2026
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      Apr 18, 2026
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    LibraryThing

    Improvements to tagmash, tag, genre and LCC pages

    LibraryThing improves tagmash, tag, genre, LCC and MDS pages with a new shelf-or-titles layout, faster tagmash results, better filtering by publication and media, clearer tag sorting, and translated tag clouds across pages.

    I've made a number of improvements to the tagmash, tag, genre and LCC pages.

    Update:

    And MDS.

    1.

    All pages now follow the shelf-or-titles pattern.

    This means that tagmashes, which were formerly just a text list, now look like tag pages. You can look at the covers, or you switch to titles. The look and feel of these shelves has been improved, with slightly larger covers, matching other shelves elsewhere, and more shelves. The shelf/title switcher has been moved to the top, alongside the filters (see below).

    Examples:

    (tag: Paranormal romance)
    (tagmash: Greek + historiography)
    (genre: Horror)
    (LCC: PS8001-8599, Canadian Literature)
    See
    (MDS 560 Fossils)

    2.

    Tagmashes are faster.

    I've switched to the tagmash algorithm we use behind the scenes on Talpa. It should be faster, often dramatically so.(1)

    Examples:

    Go do your own!

    3.

    All four have much better filtering options.

    All four have filters for Publication (i.e., publication date). And all four also allow filtering by media—allowing members to see only titles that have an audiobook or ebook. This existed on some pages, but was based on what we knew of Kindle and Audio. The new filter is based on whether we've seen an ebook or audiobook for the title. While exactitude about the supplier would be ideal, the data is much richer if it's just "is there an audiobook?" Most ebooks and audiobooks are available on most platforms, and if they aren't, LibraryThing can't keep up with other companies' stock and offers.

    If you're filtering something large, like all books under the LCC class "E," the system can be slow. I hope it's still useful.

    Tags also have a sort option: "Count," "Weighted" and "Popular." This existed before in a different way. It should be clearer now.

    1. The new system is based on bitwise operations. Each large tag has a precomputed bitset—one bit per work we know about (>35M), set to 1 if the work has that tag. To combine tags (e.g., YA and Fantasy), we take the two bitsets and perform a bitwise AND to get the intersection. Once we have that subset, we query for counts and other details. It may sound heavy, but it’s much faster, especially when the sets intersect minimally, because we don't need to get the counts on works that don't intersect.

    Great! Is there a particular reason why MDS pages were not included? Also, why not include various sorts on all? Sounds useful

    I'll look into adding MDS and some others--subjects, BISAC, CK pages. The page has a very different structure, but there's still a shelf.

    As for sorts, it's a matter of efficiency. Tags have two natural ways to sort, the others do not. But I'm open to suggestions.

    Cool. While we're on tags and mashings: for awards, the tags section at the bottom of each awards page has links for each tag that just go to a global tag search. Wouldn't it be more useful to have them to filter to works with a given tag that are associated with the particular award (at least as an option)?

    Neat!

    Just curious. As of a couple of years, the Related Tags tag clouds at the bottom of pages never use the tag translations. Is there a reason for that?

    My tally so far:

    Translated
    Tag
    Work pages
    MDS
    Author
    Lists

    Not Translated
    Genres
    Awards
    LCC
    Series
    Tag cloud

    Okay, I might have exaggerated. Or rather, I went by my impression. But will this change?

    Coulgd we have a setting to automatically get titles instead of having to switch it every time?

    I changed it to titles when i tried it earlier and it seems to have remembered it.

    Is it not sticking for you? It's a separate "stick" on every type, but it should stick.

    All of these are now translated.

    How's that? (Don't thank me. Thank Claude Code on this one.)

    Great! Is there a particular reason why MDS pages were not included?

    MDS has been added to the list.

    See

    I have flipped the left and the right, so the cover/titles selector and any sort selectors are on the left. The filter options are on the right. It seems to me the former are going to be used more and are more central, so they should be on the left. People have a bad habit of not seeing things that are on the right.

    Thank you 😍

    Original source
  • Apr 15, 2026
    • Date parsed from source:
      Apr 15, 2026
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      Apr 15, 2026
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    LibraryThing

    Upload work covers, and other cover improvements

    LibraryThing improves covers with work-level cover uploads for books members do not own, a recent work covers gallery, better cover flags, and flagged cover warnings. It also rebuilds cover data for many ASIN-only books and surfaces new uploads on the home page.

    I've made a number of cover improvements.

    In response to @LeslieWx 's request (https://www.librarything.com/topic/383591), I've added the ability for members to upload covers to works they do not own or have in their books.

    We let add author photos, venue photos and many work details. I expect some members will want to help out, adding covers for books they don't own.

    To see this in action, just go to a work not in your library, and go to the "Cover" sub-page. You will see a message like this:

    You don't have this book in your library, but you can still contribute a cover image for this work. Your cover will be available for other members to use. Work-level covers do not replace other covers as the work's main image.

    As hinted at, work-level covers do not normally replace member covers. So if a work has no cover at all, it can become the work cover. But it's basically the last resort. Put another way, LibraryThing picks the work-level cover based on a "score," involving factors like how many members use it, and the quality. Member-uploaded work covers have a very low base score.

    In the discussion, members raised the prospect of spam, so I've done a number of things to reduce the concern:

    1. There is now a "Recent Work Covers" gallery (https://www.librarything.com/gallery/recent/workcovers), so members can keep an eye on work covers as they do on new author and venue images.

    2. I've improved the "Cover Flags" page (https://www.librarything.com/helpers_covers.php). It now divides covers by their type—Member-Uploaded, Work cover, Amazon ISBN, Amazon ASIN and All sources. The page is better in various smaller ways.

    3. On work cover pages, flagged covers are now marked. See this book for a book with flags on two covers https://www.librarything.com/work/44975/covers

    4. Flagged covers are less likely to be chosen as the work's cover, even if they haven't hit the threshold necessary to close the cover flagging.

    Other updates:

    1. I rebuilt some data, which will cause several hundred thousand books with ASINs, but no ISBNs, to get covers now, without clicking to recalculate the cover.

    2. The new covers show up in your home-page "Recent Member-Uploaded Covers for Your Books" module.

    Nice!

    There's a minor bug on https://www.librarything.com/helpers_covers.php on my end. When clicking a vote in the pop-up (reached by expanding a cover with "View cover details"), the vote tally in the pop-up doesn't change. When closing the pop-up the newly added vote is correctly reflected in the list on the page. I'd expect the vote tally in the pop-up to also dynamically update.

    Original source
  • Apr 11, 2026
    • Date parsed from source:
      Apr 11, 2026
    • First seen by Releasebot:
      Apr 13, 2026
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    LibraryThing

    New features

    LibraryThing adds collapsible sections on the edit-book page alongside copy adding.

    Alongside adding copies (see https://www.librarything.com/topic/383559), you can now collapse sections on the edit-book page.

    See the image.

    Original source
  • Apr 11, 2026
    • Date parsed from source:
      Apr 11, 2026
    • First seen by Releasebot:
      Apr 13, 2026
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    LibraryThing

    LibraryThing adds "copies" (Phase 1)

    LibraryThing adds a new copies system for cataloging multiple copies of the same book under one record, with separate barcodes and copy notes. The rollout is staged, with edit-page controls and a disable option for users who do not want the feature.

    LibraryThing is adding a "copies" system.

    "Copies" are for when you have two or more copies of the same book. One can, of course, have two "books" within the LibraryThing system now--two items with different pages, details, reviews tags, etc.--but copies provides a different way—a single "book" in your catalog, with one page, one line in "Your books," but with multiple "copies." Each copy can have a different barcode, and different "copy notes."

    The concept here is from libraries. When your local public library buys new James Patterson, they add the record only once, but add as many "copies" as they have. Many TinyCat libraries would like to do the same.

    At present, copes are only in LibraryThing, and are NOT integrated into the lending/circulation/check-out system on either LibraryThing or TinyCat. "Copies" are a big change, so we're rolling it out in stages. Once we're satisfied that things are working well and members are happy, we'll move onto the next steps!

    What's a Copy?

    At present, two fields are now "copy" fields—barcodes and item notes. The former has been around for a long time--if you had a barcode, it is now the barcode for copy 1. The latter is a new field. It's a free place to write notes about the condition, where you got it, what it means to you, etc.

    If You Don't Like It

    • The book edit page has a new "copies" section. If you don't like it, I've added a second feature, where you can collapse sections on the edit page. See https://www.librarything.com/topic/383565
    • If you really don't like it, you can go to Other Settings > I don't want this feature! > Disable "copies" system here

    How We Converted

    • Books were given copies by looking at the current "Copies" field. If that was one, one copy was added, if two, two copies, etc.
    • If a book had no copies, no copies were added.
    • If a book had no copies, but it had a barcode, we added a copy, as barcodes have always been part of our hidden copy system, and it doesn't make sense for a book to have a barcode but no copies. If it makes sense to you, you can turn off the system (above).
    • If a book had more than 20 copies (very rare), we reduced it to 20 copies and sent the member a note about it, giving the old value. There were books where the "copies" field had 10,000 or more! We assume they are errors. (If you really have 10,000 copies of a book, go ahead and switch the system off.)
    • Unless disabled, the bare, numeric "copies" field is now uneditable. It's a count of your copies.

    Editing/Adding/Deleting Copies

    You can add, edit, delete and renumber copies on your book's edit page, or in the catalog, from the "copies," "barcodes" or "copy notes" fields. See some of the images below for what it looks like.

    Questions You May Have

    Q: What about works?
    A: Copies are not intended to be used when you have two different editions of the same work. You can use them that way, but there's only one set of all the regular data (ISBN, cover, publisher, etc.), and it will belong to one edition, not many.

    Q: Copies should also have…
    A: Members will probably want other copy-specific fields, such as call numbers, prices and condition. Our ears are open to what you want, but we feel strongly that an "item notes" field is flexible enough for most users.

    Q: What about lending?
    A: At present, the lending/circulation/check-out system is not copy-aware. To be precise, you are always lending copy 1. But, yes, this is definitely something we want to implement soon! We will do so when we feel confident this change went through well.

    Update:

    It's live. Working on kinks.

    On the book edit page, you are reusing the word Copy from elsewhere (in 'Copy n'), which doesn't work for Swedish (and I'm sure other languages). We have two different words for copy in "Oh my god, he's a perfect copy of his cousin!" and "6,000 copies were printed".

    Is copy note field searchable? as in
    https://wiki.librarything.com/index.php/%22Your_books%22_Search
    or sortable as in column sort in list view

    If not, can you please make it so.............please

    I collect cookbooks.
    Those I particularly like, I buy extra copies to give as presents. I use LT to record who gets what and to avoid giving the same present twice. Should I make the EXTRA copy note field a way of showing this?

    Will there be a way to merge records into a single line for those of us who have multiple of the same work cataloged for the sake of multiple copies?

    Please helps! While this sounds cool. I'm a new member who had spent more than a week entering my personal library and then, at almost the same time you were working on this function, when I was at more than 2500 books entered, suddenly all the web shows is 500 or so books. Please help!

    And thank you for all you do here!

    On the book edit page, you are reusing the word Copy from elsewhere (in 'Copy n'), which doesn't work for Swedish (and I'm sure other languages). We have two different words for copy in "Oh my god, he's a perfect copy of his cousin!" and "6,000 copies were printed".
    Thanks. Give it 10m, but I have clarified all uses of copies across LibraryThing, so the strings should now be:

    Is copy note field searchable?
    Not yet. Nor does it export. But I'll get to it. I tend to want to wait a few days before adding fields to the search index, because it's a much harder to change, if changes are needed.

    Your books are all there now. There was some sort of blip that set a memory cache of them to the wrong number. I'll see if I can dig into it, but in any case they were never not there on the disk.

    Will there be a way to merge records into a single line for those of us who have multiple of the same work cataloged for the sake of multiple copies?
    Yeah. I'm open to ideas on how to implement this. We have a work-duplicates page (https://www.librarything.com/stats/MEMBER/workdups). I'm think we could have a page that shows you books that are identical? Or perhaps it can show all fields that diverge between two books? Then let you combine them, giving you an easy way to add a note?

    I'm in the case of slowly transitioning a paper library into a digital library, and I often have multiple copies of the same work
    which are in different formats.

    What I'd like to see is an entry for the most recently added format followed by 'You have x other editions: format 1, format 2 etc'. Or if you have exactly the same edition 'You have y copies of this edition'. Each different format should be clickable to go to the specific entry.
    However, you should be able to set specific collections to not be included in this: so my 'Deaccessioned' collection or my Wishlist (not that I use it) or a 'Read but not owned' collection shouldn't count towards work duplicates.

    I am extremly happy to see that change towards WEMI. So first of all I want to thank you for your work, and also for the carefull way to roll it out. I still had a small hart attack today when I wanted to quick edit a barcode.

    I am managing a library with two "branches" in different cities and a storage. So far we have catalogued 1600 of about 5000 books (not started on the storage yet), we often have 2 or 3 copies of a work - the link provided above says about 220 books with 2-3 copies each, which sounds about right. As we circulate (via TinyCat) and need different barcodes (which also designate where the copy is to be found) I did not use the old copy-numbers system, but painstakingly made individual entries.

    I would like to echo JonathanL88's suggetion about making the note field searchable and sortable and gillroys request about a merging mechanism. If I were to switch to the new system (which sounds lovely but scares me a bit!), I would need exactly these changes

    • a simple but controlled way to merge (as in: react to suggestions, but I want to verify myself)
    • a place to put item (copy) specific information, which so far was to be stored as a tag with the respective copy, that would need to be search- and sortable to not break my workflow
    • using it within tinycat - I heard this is planned, it would be a non negotiable need for me. this would also include making the item (copy) specific note field searchable and "clickable" in tiny cat

    Also, we are using the collections as marker of the physical location of the book. That means I would need to be able to set different collections for different copies.

    So I dont really have any concrete suggestions or insights, but wanted to thank you and add my voice to the sensible requests, and offer to test/give feedback.

    (PS I hope this is all clear, as I am not a native speaker)

    You rock! thank you!

    Issue:

    IF I delete a copy for an item that has 2+ copies, the deleted barcode does not get archived on the /settings/barcodes page as it normally would have. They would have gone into an "Inactive Barcodes" section, with the option to "free up" that barcode number.

    BUT I can now assign that deleted barcode onto another book. THEN if I search for that barcode, I get a whacky SQL error on the catalog page. (Presumably because the barcode is now tied to two books.)**

    To reproduce:

    1. Add a book
    2. Add a 2nd copy to that book. Make sure both copies have barcode numbers.
    3. Delete Copy 1. (Check and verify: /settings/barcodes page doesn't have the newly deleted barcode in the "Inactive Barcodes" section)
    4. Assign the recently deleted barcode from Step 3 onto a different book.
    5. Search for the barcode in your catalog.

    Issue:

    SQL error, presumably because the barcode is now tied to two separate books.**

    Edit: something resolved itself, so I'm testing further.

    **Okay, after a few minutes I searched again and it only found the last book I added 462 to. Maybe a timing thing.

    Remaining Issues:

    1. If you delete a copy with a barcode, the barcode is not put into the "Inactive Barcodes" on the /settings/barcodes page.
    2. The deleted copy does not have the Undelete option on the Edit History page. I think it should, yes?

    Bug:

    Add manually page doesn't let you fully add more than 1 copy (the copy is missing from the book-edit page).

    1. Go to
      https://www.librarything.com/addnew.php
      and add a book. Make sure to add 2 copies with barcodes attached.
    2. Go to the newly added book Overview page: Your Book Information shows both copies in the Barcode & Copy field.
    3. Go to the Edit Book page.

    Bug:

    Copy 2 is missing.

    Additionally, only one barcode number will show up in the "Barcode" field in the catalog at one time. It will only show the barcode for Copy 1, but if you empty the barcode out for the copy, the barcode for Copy 2 will suddenly show up in its place. But, double-clicking to edit that barcode is impossible: I can only see Copy 1 in the edit lightbox.

    I'm still a little confused.

    If a book has multiple copies and I double click the copies field in the catalogue, I get a pop-up with a line for each copy. That seems correct. If I edit that book, on the Edit page, I just see a single textbox called Barcode & Copy Notes. There's also a pop-up (the gear icon) with a button to Edit Copy Numbers. That button does nothing (perhaps because I haven't added any data to the copies yet), but fails silently (closes the pop-up without any apparent changes).

    Is it expected that on the Edit page, there's just a single textbox (when no data has been defined about the different copies so far)?

    It would be nice if Edit Copy Numbers reports why it wasn't able to do anything.

    Screenshots from
    https://www.librarything.com/work/4858587/edit/26590999
    (a 2-copy book, or a book with 1 copy).

    --

    I also have some books with 0 copies. That was an experiment of mine of yore (although some are probably mistakes). The idea was to set Copies to 0 for Unowned books. Did the new feature account for 0-copy books? Are they now identical to 1-copy books? Is there still a way to make 0-copy books? To be clear, this is not part of my workflow anymore and is not really a request to support this. If these are now special/in limbo, how do they become regular single-copy books? Disable the feature, edit the copies field to 1, and re-enable the feature?

    Following on, what exactly happens on disabling/re-enabling? Was the initial conversion a one-off or does it happen on each re-enabling of the feature?

    --

    Would future generic editions be built upon this feature? I.e. LT-wide editions which individual libraries can own copies of? Probably not; just cheekily wondering out loud if that one is still on the far horizon/roadmap!

    Fixed

    If a book has multiple copies and I double click the copies field in the catalogue, I get a pop-up with a line for each copy. That seems correct. If I edit that book, on the Edit page, I just see a single textbox called Barcode & Copy Notes. There's also a pop-up (the gear icon) with a button to Edit Copy Numbers. That button does nothing (perhaps because I haven't added any data to the copies yet), but fails silently (closes the pop-up without any apparent changes).
    The renumber shows the copy number column, so you can change the numbers. That may be too subtle.

    Now that I now how it's supposed to work, it seems it doesn't on my side.
    On https://www.librarything.com/work/4858587/edit/26590999 I added a note in the "Barcode & Copy Notes" field.
    On the catalog pop-up, I can see that what I entered goes to the barcode field of the first copy.
    I'm sure that doesn't look right?
    And to be clear, the "Renumber" button on the catalog seems to work, but the "Edit Copy Numbers" on the edit page doesn't. But the latter page doesn't even show the copies anyway.

    ETA:
    Most of this seems to have cleared up with time, sorry!
    Firefox 147.0.4 (64-bit) on Linux

    Yeah, I think it's okay now. There was a bug.

    Original source
  • Mar 28, 2026
    • Date parsed from source:
      Mar 28, 2026
    • First seen by Releasebot:
      Apr 4, 2026
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    LibraryThing hides removed Talk messages by default and adds an Actions button to show them.

    Talk messages that have been removed, either because the message was flagged a lot or because the member was removed for spam and such, are now hidden by default. This should be a help in good topics that some spammer briefly commandeered, and then got removed.

    Members have asked for this before, but we were held back by the pain of renumbering the messages. So we're skipping that—messages are not renumbered. And if you're curious aboutt the removed messsages, there's a button to click in the "Actions" section—itself a new home for several buttons—to show the removed messages.

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