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Updates & Changelog

Stay up-to-date with all the latest features, improvements, and bug fixes in Lacuna. We're constantly working to make your book formatting experience better.

Version v2.6.0
Latest
Jun 25, 2026

Thank you all for spreading the word about Lacuna and helping us grow. Every post, share, recommendation, and conversation makes a real difference for a small team like ours. We're especially proud of this release because it brings many of the finishing touches that your print books deserve. Don't worry, page borders are coming next, we promise! Thank you for being part of the journey and for all of your support.

New Features

  • PRINTSpread Balancing is now officially available in Beta. Find the options under Print Settings -> Spread Alignment.
  • PRINTAdded the ability to set different header & footer presets for the first page and the remaining pages.
  • PRINTCreated a new "Custom" trim size option to allow you to create any trim size between 3" and 12".
  • PRINTAdded a new 'Typography' panel to the section's Print Settings, allowing you to override the font, font size, font weight, and line spacing for individual sections.
  • PRINTCreated a new full-screen mode so you can see your full print book as a reader would (Open Book icon appears beneath the previewer when Print Previewer (Slower) is selected).
  • LINKSStore links are now available with one-click generation, letting you create individual EPUB files for Amazon, Apple, Kobo, Barnes & Noble, and Google Play.
  • IMAGESYou can now import SVG, TIFF, and BMP images.
  • Improved undo/redo capabilities for many features that previously lacked this behavior
  • Added more options to the 'Apply to Others' feature that previously lacked this behavior
  • Shifted the minimize inline settings panel to the right so you can still click the 'Add new Sections' button while the panels are open.
  • Made the tabs in the minimized inline settings panel clickable to improve usability.

Bug Fixes

  • DOCXAdded the ability to import and properly detect images with image captions
  • DOCXFixed various bugs that were preventing images from being imported correctly
  • DOCXStopped the engine from creating Endnote section types when you have sections called "Notes" and "Endnotes", so you can preserve your own endnotes
  • Undoing or removing a Book Volume now properly renames and reorders the numbered chapters that were inside it

Breaking Changes

  • PRINTHyphenations: Extracted the English dictionary into two types: US and GB. This now lets you pick the language that best suits your needs and will resolve many of the previous hyphenation breaks that weren't in coordination with Merriam-Webster (English U.S.).

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Get the newest release for your operating system.

WindowsMac (Apple Silicon)Mac (Intel)
Version v2.5.1
Jun 9, 2026

We're taking a break from feature requests for the next month or two. We've been able to add all the features other applications have while giving you far more customization than anything in this price range. We believe it's a good time to pause feature development (I also really need a break) and focus entirely on fixing bugs, finishing the print engine, and optimizing the application. The remaining features we're working on are store links, page spread balancing, and page borders. We're excited about page borders because we're going to be integrating PrintedEdges (Check them out if you haven't. They have an awesome product and are equally awesome people) templates directly into our app. Thank you for all the support you've given us!

New Features

  • STYLESImport brand colors from another Lacuna project
  • LLAMAPRINTImproved image processing speed when rendering PDFs
  • EPUBImproved image compression and font management to reduce the size of the final EPUB files. For older book projects, please visit the Image Gallery, click the three dots near the top right, and re-run Compress images

Bug Fixes

  • LLAMAPRINTFixed the title page designer from prepending an extra page at the beginning of the books
  • LLAMAPRINTFixed drop cap from floating above the content when changing the first line's font size
  • ELEMENTSImported block quotes, tables, lists, and callout boxes now show up in Search Elements right away, without needing to save the section first
  • ELEMENTSFixed ornamental breaks losing their color, alignment, and padding after editing an older preset's color
  • EPUBFixed large chapter heading images sized below 100%, filling the whole column on Kindle
  • EPUBFixed epubcheck errors from happening when you have unknown section types without any titles

Download Previous Version

Prefer this release? Roll back and download it for your operating system.

WindowsMac (Apple Silicon)Mac (Intel)
Version v2.5.0
May 29, 2026

New Features

  • ENDNOTESEndnotes are now natively supported in Lacuna. Add them to your project via the editor's menu bar. Customize them in Edit Styles -> Endnotes Settings. Use the new Endnotes section type in Add New Sections -> Back Matter -> Endnotes, or automatically add them to the end of each section.
  • EPUBAdded a new device type selector when exporting Epub files that allows you to now generate Kobo-specific files that improve the reader's experience on Kobo devices.
  • COLORSControl the background and foreground of any text in the Editor by selecting the text and using the text bubble menu.
  • COLORSSection titles, subtitles, and subheadings each have color tabs in their respective panels.
  • PREVIEWEREdit Mode settings are now remembered across project sessions. For new projects, Edit Mode is disabled. We're investigating a bug and want to prevent new users from having a bad first experience while we fix it.
  • IMAGESImage captions are now fully customizable with presets
  • IMAGESAdded a new print-only feature to fit any image to the page it starts on, minimizing empty space when images can't fit normally.
  • DROP CAPSAdd as many drop caps as you want per section now by navigating to the paragraph you want to have a drop cap, opening its menu, and selecting "Force Drop Cap."
  • LLAMAPRINTImproved the runt elimination algorithm to optimize for minimal letter space shifting
  • DOCXAdded the ability to detect Quotes (as Blockquote elements) and page break before style settings.
  • STYLESBullet and ordered list presets can now have text styles enabled, allowing you to control the font, font size, and line height of the list items.
  • Added a new dialog that warns you if you open a project with fonts that are not currently on your computer

Bug Fixes

  • LLAMAPRINTFixed a bug that erroneously broke certain words unnecessarily
  • LLAMAPRINTFixed a bug that caused line overlaps when disabling hyphenation across pages
  • LLAMAPRINTFixed issues that caused runt elimination and floating images to misbehave when using footnotes
  • TITLE DESIGNERFixed a bug that caused the title page to not be centered on ePUB devices
  • IMAGESFixed a bug that caused the image captions to not properly align the text to the right
  • EBOOK PDFFixed table of contents not showing the hierarchical indentation properly
  • EBOOK PDFFixed behavioral issues with footnotes and fixed a bug that caused the footnote markers to be larger than expected

Breaking Changes

  • LLAMAPRINTFixed a bug that caused certain fonts to bleed into the margins and cause KDP errors when using large fonts. This may cause side effects in older book projects.

Download Previous Version

Prefer this release? Roll back and download it for your operating system.

WindowsMac (Apple Silicon)Mac (Intel)
Version v2.4.5
May 17, 2026

New Features

  • PRINTAdded project-wide (Print Settings -> Page Colors) and section-wide (Option menu -> Set Section's Background -> Page Colors) background color and foreground color management
  • PRINTAdded hyphenation option to prevent words from being hyphenated across pages
  • PRINTAdded 4x6 trim size
  • PRINTNew feature to force chapter 1 to start on page 1 regardless of whether or not it's in a book part or a book volume (Print Settings -> Page Numbering)
  • Added the ability to merge blockquotes and handwriting blocks using backspace and delete when the cursor is at the first or last position, respectively
  • Improved copy and pasting image(s) from Google Docs/Microsoft Word

Bug Fixes

  • TOCFixed book part and book volume entities not staying with their children entities across pages to avoid orphans
  • TOCFixed page numbers not sticking with their book parts when the book parts are the last items on a page (won't happen anymore because of the previous fix, but fixed nonetheless)
  • FOOTNOTESFixed bug that caused footnotes with links to not load the dialog
  • Fixed preset importing bug that caused naming collisions and bad side effects
Version v2.4.0
May 12, 2026

New Features

  • Added heading background images functionality to eBook and Print. We added a 'Background' edit button when hovering over ereaders and created a new background section in the Options menu.
  • Improved the minimized settings panels user experience
  • Added the hotkey Ctrl/Cmd+Backspace to delete empty elements from the editor (Blockquotes, Handwriting, Callout Boxes, Device Specific Blocks)
  • Improved command palette's search results (Cmd/Ctrl+P)
  • Select all (Ctrl/Cmd+A) within callout boxes and device-specific blocks is now contained within the elements

Bug Fixes

  • STYLESFixed the ornamental break panel so it allows you to switch between modes
  • STYLESFixed inline style settings that were not working correctly when multiple tabs of the same element are open with different presets
  • LLAMAPRINTFixed a bug that caused the first paragraph not to be indented when set
  • LLAMAPRINTFixed an issue that caused certain elements not to apply the correct bottom spacing when the last paragraph grid snapping mode was enabled
  • Corrected missing grayscale elements when previewing e-ink readers
  • Corrected the updater window's size
  • Projects are no longer being mistaken as temporary files on Windows to fix errors when backing up project files on Proton Drive
Version v2.3.1
May 9, 2026

New Features

  • PRINTNew hyphenation dictionary (Edit -> Hyphenation Dictionary) allows you to override our hyphenations to your preference. These are accessible at the machine level so that they will affect all projects.
  • PRINTPrint settings are now available when importing from other Lacuna projects
  • IMAGE GALLERYAll folders and images are now drag-and-drop
  • IMAGE GALLERYAll actions are now integrated into the undo/redo cycle for more experimentation
  • FOOTNOTESUndo functionality has been added while editing footnotes. Links have been blocked to prevent unexpected behavior.
  • Subheading panels can now be opened simultaneously (H1, H2, etc.)
  • Added the ability to minimize the inline panel settings

Bug Fixes

  • EPUBHeading alignment is now fixed for Google Play devices
Version v2.3.0
May 5, 2026

New Features

  • IMAGESRevamped image gallery and implemented new tooling to help you manage your images with folders
  • PRINTManually adjust paragraph letter spacing to help mitigate rivers and runs
  • PRINTTrim Top Page Spacing: Strip extra spacing from elements that start a new page for cleaner page tops
  • PRINTGrid Snapping: Line up body text across left and right pages so spreads sit even
  • Jump between the previewer and editor with Ctrl/Cmd+] and Ctrl/Cmd+[ so you never lose your place
  • Wrap content in device-specific blocks to control how content renders between print-ready PDFs and eBooks
  • Added a new 'Hidden' section type to allow you to hide sections from your final product while keeping the sections inside the project
  • Added the ability to let you change all of the hotkeys across the application
  • Added Swedish to the language support system
  • Using non-English languages with 'Spelled' chapter numbering now follows each language's conventions
  • EPUB PREVIEWEREdit footnotes right from the preview pane by clicking on the Pencil icon in the footnote pop-up
  • Added an option to let you select the default chapter section type when importing your docx file

Bug Fixes

  • Small section heading images no longer stretch and pixelate
  • PRINTSubheadings no longer create erroneous page breaks when kept together with large paragraphs
  • PRINTPDF preview text stays crisp at each zoom step instead of growing progressively blurry
Version v2.2.9
Apr 22, 2026

New Features

  • PRESETSAdded new "Apply to Others" button on the Section Title, Section Subtitle, and Heading Spacing panels to help you copy your heading styles to any sections you pick
  • EPUBEbook PDF dialog now remembers the trim size you picked last time, per project

Bug Fixes

  • EPUBFixed bug that caused ebook PDFs to not render pages after the cover image
Version v2.2.8
Apr 15, 2026

New Features

  • LISTSAdded starting number option to numbered lists
  • DOCXDramatically improved generated DOCX outputs. We've now included fonts, presets, image sizing and positioning, and footnotes, and we're at around 95% parity with epub/print
  • LLAMAPRINTAdded a new option to snap text to the grid after elements to ensure vertical line consistency. Find it under Print Settings -> Body Text
  • EPUBImproved CSS and font management to reduce file size
  • Added a new 'compress images' option to the image gallery to let older projects update all of their images
  • Swapped PNG compression algorithm to reduce the final generated EPUB/PDF file sizes
  • Added automatic smart quote functionality to footnotes and image caption dialogs

Bug Fixes

  • Fixed bug that was causing text conversation background coloring to fail when using certain new-style templates
  • DOCXFixed import differentiation between bullet and numbered lists, and now also detects the starting index
  • DOCXFixed new line returns and footnotes not importing correctly in certain situations
  • PRINTFixed book parts' inside of book volumes' TOC entries appearing as Roman numerals
  • PRINTFixed book volume bookmark grouping in the PDF table of contents
Version v2.2.7
Apr 9, 2026

New Features

  • STYLESChoose from all available weights (Thin through Black) for any text element, including body text, ornamental breaks, book parts, and volumes
  • STYLESAdded italic support for book part and volume title pages
  • PRINTAdded "Apply to Others" for background images
  • Footnote and caption dialogs now warn before discarding unsaved changes
  • Fonts now install all weights for more flexibility

Bug Fixes

  • EPUBFixed image compression causing validation errors when file extensions didn't match the actual image format
  • Fixed spacing between paragraphs in multi-paragraph footnotes
  • Fixed 0px padding and border values not rendering correctly

Have feedback or feature requests?

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