Vellum: Classic Books Readerv4.1.0

Released February 11, 2026Major

Android

The latest update introduces significant feature expansion, including an Epub reader, an in-app dictionary, and desktop support. Current data windows provide insufficient signal to determine the impact on user sentiment or platform retention. The release remains in a neutral state pending further performance metrics.

What changed

New featureAdded an internal Epub reader
New featureIntroduced an in-app dictionary
ContentAdded over 500 new books to the library
PlatformAdded support for desktop devices

Reception

50/ 100 impact scoreNeutral

What worked

New feature
no_evidence

What didn't

New feature
no evidence
The integration of an internal Epub reader and in-app dictionary lacks user feedback to confirm utility.
Content
no evidence
The addition of 500 books has not yet generated measurable shifts in engagement or rating signals.
Platform
no evidence
Desktop support expansion remains unverified by current user sentiment or adoption metrics.

Marlvel takeaways

Monitor the adoption rate of the new Epub reader to determine if it replaces external reading workflows.
Track library search queries to assess if the 500 new titles align with user reading preferences.
Evaluate desktop performance metrics to ensure the new platform support maintains parity with mobile stability.

Original release notes

Internal Epub Reader. In-app Dictionary. 500+ new books. Desktop devices are supported now.