1.9 is here and it rocks! - jobberBase dev blog
There's a guide for upgrading the database:
Guide for upgrading a production database from 1.8 to 1.9 (Page 1) - Tutorials - jobberBase Community
but I haven't come across anything related to upgrading the rest of it .. there is an old one:
Guide for upgrading a production site from 1.7 to 1.8 (Page 1) - Tutorials - jobberBase Community
No idea if it's still relevant or not though ..
There's a guide for upgrading the database:
Guide for upgrading a production database from 1.8 to 1.9 (Page 1) - Tutorials - jobberBase Community
but I haven't come across anything related to upgrading the rest of it .. there is an old one:
Guide for upgrading a production site from 1.7 to 1.8 (Page 1) - Tutorials - jobberBase Community
No idea if it's still relevant or not though ..