Port to Drupal 9

can we get this merged in? I can't even install the module on D9 without composer barking...

Hi everyone,

Sorry for the delay on this.
Quick reply to let you know I'll take a look at this in the coming days.

Thanks everyone for your code contributions, it's greatly appreciated.

The patch looks good, merged to 8.x-1.x.
Thanks, everyone for your time.

Automatically closed - issue fixed for 2 weeks with no activity.