Added

• Add more Polish translations (#914) @mhajder

Changed

• Review the sidebar mini configuration options (#899) @Shidersz
• Improve error lookup on the session's errors bag for the components (#907) @Shidersz
• Only add section "content-header" if is set (#918) @warquia

Important

The new supported options for the sidebar_mini configuration will be:

• 'lg' to enable sidebar mini mode for desktop and bigger screens (>= 992px).
• 'md' to enable sidebar mini mode for small tablet and bigger screens (>= 768px).
• 'xs' to enable sidebar mini mode for extra small and bigger screens (>= 0px).
• null to disable the sidebar mini mode.

Please, review your config/adminlte.php and change that option to one of the new values.