If you are experiencing a bug in Ristretto
, your way of helping things getting fixed is to report a bug about it in Xfce Gitlab. Please note that to do this you will need to have / create an account.
If your bug has not been reported before, please submit a new bug report.
When writing your bug report, try to be as descriptive as possible, but avoid verbosity; Mozilla has a nice guide on how to write a bug report.
For more information, see Bug Reporting and Fixing.
File a new bug or enhancement request
Here's a list (updated daily) of open bug reports with the date that bug was reported in parenthesis.