CHANGELOG.

CHANGELOG.md

@@ -18,6 +18,8 @@ Coq 8.11 is no longer supported.
 - Rename "unsealing" lemmas from `_eq` to `_unseal`. This affects `ndot_eq` and
   `nclose_eq`. These unsealing lemmas are internal, so in principle you should
   not rely on them.
+- Declare hint mode for `FinSet A C` so that `C` is input, and `A` is output
+  (i.e., inferred from `C`).
 
 ## std++ 1.7.0 (2022-01-22)