Manor Lords now has an experimental branch where you can test various improvements and significant changes to the gameplay. However, since it is a new beta version, you should back up your save files to ensure you don't lose any of your main progression.
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After backing up your files, you will have access to the experimental version. There you will find gameplay and balance changes, major updates to militia teams, sheep farming, barter and trade, and king's taxes and trade route costs, among other things.
Here's how to get your hands on the new experimental branch of Manor Lords Update 0.7.965 (and keep your saved state safe).
To access and backup your Manor Lords save files on Steam, follow these steps: