sabre/dav 2.1.9 released
We just released sabre/dav 2.1.9, which contains a fix to enable PHP 7 support. This release includes sabre/vobject 3.5.0 which was also fixed to support PHP 7.
For more information about this change and this decision read the vobject post.
Update sabre/dav by running:
composer update sabre/dav
Or download the zip from the releases page.
Full changelog can be found on Github