Version: 4.1.3 | Release: May 2026 | OS: macOS 13.0+
Vellum 4.1.3 for Mac
Vellum is an ebook creation tool that makes it easy to create ebooks from a text manuscript or from scratch within the app itself. Choose from several style options, see an instant preview of the finished product, and easily generate and edit ebooks with a single click to avoid errors.
Create ebooks for any platform: Kindle, Kobo, Apple Books, and more. Each specialized file can help readers buy your next book at their favorite store.
Finished the series? Get it all in a box set in just a few steps.
Choose your crop size and Vellum will do the rest, automatically adjusting margins, page numbers, headers and footers.
Vellum even handles complex tasks like widow-making and spread balancing, giving you professional results every time you create.
Import your manuscript, and Vellum will create everything for your book, including a title page and table of contents. Need to add a copyright page or copyright information? You can do it right in Vellum. Browse Vellum’s book styles to find the best fit for your book.
Vellum applies your choice to every chapter (even if you add new ones). Use Vellum’s preview to see how your ebook will look on various devices, and also to see how your book will look in print. The preview updates instantly and with every edit. When you’re happy with your book, create the ebook and print edition simultaneously.
Each edition stays in sync, even if you need to make changes. Need to fix a typo? Add new information? Return to Vellum whenever you need to update your book; you’ll have a new set of files in seconds.
What’s New:
Version 4.1.3:
- fixes a crash that affected some users of Vellum 4.1.3
Compatibility: macOS 13.0 or later
Homepage https://vellum.pub/
Installation & Troubleshooting FAQ 7 questions
Common issues when installing macOS apps
How do I disable SIP and grant Terminal Full Disk Access?
System Integrity Protection (SIP) shields core macOS files from modification. Some patched apps and installers need SIP disabled temporarily.
Boot into Recovery Mode (hold Cmd+R), open Terminal from Utilities, run csrutil disable and restart.
macOS also blocks Terminal from protected folders until Full Disk Access is granted. Go to System Settings → Privacy & Security → Full Disk Access and toggle Terminal on.
How to disable Gatekeeper and remove quarantine?
Gatekeeper and quarantine can stop modified apps with “damaged” or “unidentified developer” warnings.
To disable Gatekeeper: sudo spctl --master-disable
To remove quarantine from a specific app: xattr -rd com.apple.quarantine /Applications/AppName.app
What to use instead of Launchpad on macOS 26?
Launchpad changed in macOS 26, so opening and organizing apps works differently.
Use Spotlight (Cmd+Space) to search and launch any app instantly. Third-party launchers like Alfred or Raycast are also excellent alternatives. You can also pin frequently used apps directly to your Dock for one-click access.
Why do I see security warnings when opening an app?
“App Not Downloaded from Mac App Store” — macOS blocks the app when security settings only allow App Store downloads. Go to Privacy & Security and permit apps from identified developers.
“Unidentified developer” — apps not registered with Apple trigger this on first launch. Use Control-click → Open to add a one-time security exception.
“Cannot verify for malicious software” — use Open Anyway in Privacy & Security to approve the app once.
What if the app is damaged or disk image is corrupted?
“App is damaged and can’t be opened” — quarantine flags or post-download changes trigger this error. Fix it with: xattr -cr /Applications/AppName.app
“Disk image corrupted” — incomplete or interrupted downloads often cause corrupted DMG errors. Use a download manager with resumable downloads to get a clean installer file.
How to fix Adobe app installation errors?
Adobe Creative Cloud local installers may fail from the GUI — right-click Install, open Contents/MacOS, and run the Unix executable manually to start the setup.
Adobe Error 1 (Rosetta required) appears on Apple Silicon when Rosetta is missing. Install it with: /usr/sbin/softwareupdate --install-rosetta --agree-to-license
CCXProcess install errors mean Creative Cloud cannot run Intel code on Apple Silicon without Rosetta — install Rosetta the same way, then retry.
Why can’t I install this app on an Intel Mac?
Some releases support only Apple Silicon (M1, M2, M3 and newer) and cannot install on Intel Macs due to architecture mismatch.
Look for universal builds or older releases matched to your processor. Tools like Adobe Activation Tool, QiuChenly, or RiD may offer Intel-compatible versions.
