The bug form indicates version 1.x of jGnash which is no longer maintained. Is the bug actually the latest 2.x release of jGnash? If so, can you create a small sample file that demonstrates this issue please and attach it to the bug report?
Missing properties keys for translation
columns auto update
Jeff, Tools:Options Select Text on Focus will address #1. Based on the description...
Enhancement: PayeePieChart report
Closed, Addressed with the FX interface
New columns on the 'Reminders' screen