Save files from version 1.0.14 are not compatible with 1.1.0. To continue playing on the old version, you can use previous builds: Steam - Library - Next Run - Properties - Betas.
Short list of changes:
Modding and Steam Workshop support have been added. Mod management is available in the main menu. You can now download mods from Steam, create your own, and share them. We invite you to try your hand at modding. The manual is available at: https://clarusvictoria.com/next-run/mods-manual
A new class, the Druid, has been added with unique gameplay.
Orders have been added for the Leader. The Leader can now issue commands to the squad: gold gathering, experience gain, recruitment, and assistance with command.
The ability to upgrade undead units in the Necromancer’s squad has been added, along with a unique game ending when undead are fully upgraded.
Nearly a dozen crashes and major UI issues occurring in various parts of the game have been fixed.
A new hotkey "~" has been added for the "Rest" action.
Map generation balance has been improved.
Autosave has been disabled on the "Nightmare" difficulty.
Various text and tooltip adjustments. Spanish localization fixes.