;doc:REGRESSIONS: caveat

Author: simonmichael

doc/REGRESSIONS.md

@@ -55,6 +55,11 @@ But consider claiming - it's good for the project in several ways.
 
 ## Regressions reported
 
+We aim for zero regressions,
+but with a project of hledger's flexibility, features, large surface area, and level of funding,
+that's not easy!
+Here are the regressions found since 2020.
+
 [#1439]: https://github.com/simonmichael/hledger/issues/1439
 [#1468]: https://github.com/simonmichael/hledger/issues/1468
 [#1508]: https://github.com/simonmichael/hledger/issues/1508