compositor Perch is not compatible with PHP 8.
- They updated to PHP 7.4 mid 2020 after much grumbling
- We've had just 5 updates in 3 years
- Most add ons are unmaintained, at worst broken
- Shop is a dead duck
- The dwindling but stoic community supports the product - there is no support available anymore.
This is a paid product with businesses built upon its foundations, so customers are bound to be unhappy and quite rightly are moving elsewhere. Which is sad, as you rightly point out – it was an excellent CMS with a really friendly community but goodwill only lasts so long and many of us are not happy.