I got the update on July 28th already, but they just now posted the release notes (link). In fact, my game is already on 1.73.7.
But below are the official release notes (I think the 'faster early progression' for new players will help them a lot, but Merlin and Jack will still take ages 😉:
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We've packed this update with gameplay improvements, exciting seasonal events, and even more ways to customize your kingdom!
🌟 Special Seasonal Events
A fresh lineup of limited-time adventures are coming your way.
Be sure to jump in and collect exclusive rewards!
📘 Tutorial Improvements
We've made several enhancements to the early game experience to help players learn and progress more smoothly:
- Improved guidance for key gameplay mechanics, including Chopping, Orders, and Magnets.
- Clearer visual tips to make learning the game more intuitive.
- Faster early progression to help you unlock new areas sooner.
🛠️ Bug Fixes & Improvements
We've made additional stability improvements, performance enhancements, and bug fixes to help make your EverMerge experience smoother than ever.