You can see the full changelog below. The main things to notice is that permission signs now support setting a description to better describe what is bought. The plugin should work without any problems on 1.19.1. Custom strings should no longer be garbled. You are no longer forced to buy a permission if destroying a permission sign in survival.

Changes:
* Removes the need for sneaking to destroy a permission sign if not in creative.
* Adds a description to permission signs, which allows a longer description of the permissions given to the user.
* Adds the ability to use underscores as spaces in descriptions, and using \_ to use actual underscores in descriptions.
* Prevents double-clicking of permission-signs when holding an item.
* Stores some default strings as multi-line YAML for easier readability
* Uses UTF-8 for custom language file to prevent broken text for foreign characters.
* Reduces priority for protection event to lowest to allow other plugins to do their job first
* Updates some dependencies, including building against Spigot 1.19.1.
* Clarifies the license as GPL3