Hello
In our instance we use a number of paid apps, but one has not been kept up to date recently. Development seemed to be active until May this year. It's incompatible with Confluence 8.5+ and as we're a large enterprise we have minimal allowance for security and stability risk.
I contacted the support email of the manufacturer a couple of weeks ago but have had no response.
Atlassian marketplace lists the app as developer supported, but Confluence 8.5 has been out for six months so this doesn't seem to be accurate. We're paying rather a lot (several thousand dollars per year) for this app; is there some assurance we have, contractually or otherwise?