We do not recommend installing it on a production site, but we encourage you to test it and provide feedback (both good and bad!) in the issues queue. See #322279: ACL for D6 Released for details.
Changes since BETA1:
- #205012, by fago: Fixed the acl form to work correctly when integrated more than once into a form.
Fixes minor bugs and adds the ability to set the active menu trail for a node based on the defined breadcrumb. This ensures that primary and secondary navigation menus will reflect the fact that the current node is beneath a given URL.
Reworked the get/set functions a little. When saving arrays and objects it was always saving the serialized version. It now saves data to the correct data types for each value unserialized.