record4s: Circe encoder emits record fields in hash order, not declaration order

Reported · low · API-contract bug

If a record has more than four fields, the circe encoder builds a hash Map, so JSON fields come out in hash order, not declaration order. The order can also differ between Scala versions.

Found: 2026-05-10; reported: 2026-05-10; status since: 2026-05-10. Reporter: Mike Murunov

Page for this report · Public report