Moodle 5.1 developer update
This page highlights the important changes that are coming in Moodle 5.1 for developers.
Course format: max sections setting is now deprecated
The maxsections setting in course formats is now deprecated. Previously, this setting was used to limit the number of sections in a course. Starting with Moodle 5.1, courses can have an unlimited number of sections.
Although the maxsections setting remains available for now, it is marked as deprecated and will be removed in Moodle 6.0. Also, the get_max_sections from core_courseformat\base is also deprecated and will be removed in Moodle 6.0.
If your format plugin relies on maxsections, you should add a custom setting in your plugin to control section limits. For reference, see the week format plugin, which now uses its own setting for this functionality.