### JabRef version Latest development branch build (please note build date below) ### Operating system GNU / Linux ### Details on version and operating system JabRef 6.0-alpha.592--2026-08-13--8c7c5dc Linux 7.1.8-200.fc44.x86_64 amd64 Java 25.0.4 JavaFX 26.0.2+3 ### Checked with the [latest development build](https://builds.jabref.org/main/) (copy version output from About dialog) - [x] I made a backup of my libraries before testing the latest development version. - [x] I have tested the latest development version and the problem persists ### Steps to reproduce the behaviour i categorise this as a bug, for i am facing an issue with a now not anymore available option: adding custom tabs to the entry editor <img width="1090" height="720" alt="Image" src="https://github.com/user-attachments/assets/ceb61261-8467-479c-a522-76a6095756da" /> now 1. ... open preference, entry editor 2. ... find editor tabs i miss a `+` to allow adding customs tabs - with custom definitions of fields... - adding custom tabs was possible in the past ### Appendix _No response_
Activity
koppor commentedon Sep 2, 2026
JabRef moves fast these days
Custom entry editor tabs were restored in #16598 (fixes #16594), merged 2026-08-18 — your build is from 2026-08-13.
Is it possible for your to download and run the lastest dev version from https://builds.jabref.org/main/?