We are aware that the 2.6 release contains a critical packaging flaw that prevents launch on some platforms:
as well as a bug causing tables in the object tree to appear unsorted alphabetically:
We intend to release 2.6.1 soon which will address these two problems. You can monitor the stable release package by visiting the following link (You need to have a SourceForge account to monitor file releases).
You will receive an email notification when the release is made