diff --git a/CHANGELOG.md b/CHANGELOG.md
index e9ff38ecf4e..e2cf26afc35 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,11 +7,21 @@ the `CHANGELOG.md` for each individual package for any changes relevant for deve
 If you are looking for the Ledger Releasing and Versioning Process then you can find it in
 [RELEASING.md](https://github.com/intersectmbo/cardano-ledger/blob/master/RELEASING.md#changelogmd).
 
-## 9.3
-
+## 10.0
+
+- Translation of `RegTxCert` and `UnRegTxCert` to `PlutusV3` scripts context will now be done correctly, which means deposit and refund respectively, will actually be translated: [#4627](https://github.com/IntersectMBO/cardano-ledger/pull/4627)
+- Treasury withdrawals that are empty or sum up to zero will no longer be allowed: [#4630](https://github.com/IntersectMBO/cardano-ledger/pull/4630)
+- Prevent non-registered return accounts for proposals' deposits and `TreasuryWithdrawals` [#4639](https://github.com/IntersectMBO/cardano-ledger/pull/4639)
+- Ensure `ppuCoinsPerUTxOBytes` cannot be zero: [#4650](https://github.com/IntersectMBO/cardano-ledger/pull/4650)
+- Ensure dreps exist prior to delegation: [#4652](https://github.com/IntersectMBO/cardano-ledger/pull/4652)
+- Change how SPO votes are counted: [#4659](https://github.com/IntersectMBO/cardano-ledger/pull/4659)
 - Disallow withdrawals to non-delegated keyhashes post-bootstrap [#4555](https://github.com/IntersectMBO/cardano-ledger/pull/4555)
 - Remove `maxMajorPV` from `Globals`, because it was unused: [#4218](https://github.com/IntersectMBO/cardano-ledger/pull/4218)
 
+## 9.2.1
+
+- Improve performance of certificate validation: [#4600](https://github.com/IntersectMBO/cardano-ledger/pull/4600) and [#4643](https://github.com/IntersectMBO/cardano-ledger/pull/4643)
+
 ## 9.2
 
 - DRep registration expiration fix: [#4547](https://github.com/IntersectMBO/cardano-ledger/pull/4547)
diff --git a/libs/cardano-ledger-core/testlib/Test/Cardano/Ledger/Imp/Common.hs b/libs/cardano-ledger-core/testlib/Test/Cardano/Ledger/Imp/Common.hs
index 09b0db34b4b..e9c7f1cf73d 100644
--- a/libs/cardano-ledger-core/testlib/Test/Cardano/Ledger/Imp/Common.hs
+++ b/libs/cardano-ledger-core/testlib/Test/Cardano/Ledger/Imp/Common.hs
@@ -191,8 +191,7 @@ assertFailure = liftIO . H.assertFailure
 assertColorFailure :: HasCallStack => String -> IO a
 assertColorFailure = liftIO . H.assertColorFailure
 
--- | Just like `expectationBool`, but does not force the return type to unit. Lifted
--- version of `H.assertBool`
+-- | Lifted version of `H.assertBool`
 assertBool :: (HasCallStack, MonadIO m) => String -> Bool -> m ()
 assertBool msg = liftIO . H.assertBool msg