OnPrem upgrades are getting increasingly expensive if for strong reasons insurance companies cannot move to GW managed cloud.

Upgrade assessment and keep current version is painful particularly for implementations where conformity to Guidewire OOTB is less than 90%. This combined with re-engineer the custom code with similar features in the newer version becomes a herculean task if not executed by experts.

Mahati Systems have expert knowledge in all aspects of such upgrades. Mahati resources can even contextually visualize new features and the
impact and run them by you. You are in good hands !!