First, well done Piwigo people your efforts are appreciated

I've been holding back on the upgrade - being an upgrade junkie this is not easy :[
The upgrade (which I did look at) gave a long list of plugins which 'may' not be supported
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That's rather a long list, really I cant risk doing the upgrade till I know if I'm going to loose data or functionality - its a shame that no roll back or complete back up function is possible.

Is it possible for the Piwigo team (who should really now be enjoying a well earned rest) to have a look at these 'may' not be supported plugin issues and produce an 'official' list of issues with plugins rather than the present scattering of posts covering different plugins

This would  be most helpful