Merge branch 'update/compat' into 'master'

Update to note WP incompatibility

See merge request !5
2 jobs for master in 2 minutes and 27 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #2528
PHPunit:PHP7.2:MySQL

00:02:27

passed #2529
PHPunit:PHP7.3:MySQL

00:02:25