Add: `slb_is_enabled` filter
Merge branch 'hook-enabled' into develop
Add: Set group via `activate_links()`
Add: Set group via `slb_activate()`
Merge branch 'activate_custom_group' into develop
Update readme (2.4.0-b1)
Prepare release (2.4.0-b1)
Merge branch 'release-2.4.0-b1' into releases