Problem: memory leak in versiondb (backport: #1491)

CHANGELOG.md

@@ -2,6 +2,26 @@
 
 ## UNRELEASED
 
+### Improvements
+
+* (versiondb) [#1491](https://github.com/crypto-org-chain/cronos/pull/1491) Free slice data in HasAtVersion.
+
+*Jun 18, 2024*
+
+## v1.3.0-rc2
+
+### Improvements
+
+* (rpc) [#1467](https://github.com/crypto-org-chain/cronos/pull/1467) Avoid unnecessary tx decode in tx listener.
+
+### Bug Fixes
+
+* [#1466](https://github.com/crypto-org-chain/cronos/pull/1466) Fix handling of pending transactions related APIs.
+
+*May 21, 2024*
+
+## v1.3.0-rc1
+
 ### State Machine Breaking
 
 * [#1407](https://github.com/crypto-org-chain/cronos/pull/1407) Add end-to-end encryption module.
@@ -12,13 +32,11 @@
 * (e2ee)[#1415](https://github.com/crypto-org-chain/cronos/pull/1415) Add batch keys query for e2ee module.
 * (e2ee)[#1421](https://github.com/crypto-org-chain/cronos/pull/1421) Validate e2ee key when register.
 * [#1437](https://github.com/crypto-org-chain/cronos/pull/1437) Update cometbft and cosmos-sdk dependencies.
-* (rpc) [#1467](https://github.com/crypto-org-chain/cronos/pull/1467) Avoid unnecessary tx decode in tx listener.
 
 ### Bug Fixes
 
 * (rpc) [#1444](https://github.com/crypto-org-chain/cronos/pull/1444) Avoid nil pointer error when query blocks before feemarket module gets enabled.
 * [#1439](https://github.com/crypto-org-chain/cronos/pull/1439) Add back default prepare proposal logic.
-* [#1466](https://github.com/crypto-org-chain/cronos/pull/1466) Fix handling of pending transactions related APIs.
 
 *May 3, 2024*
 

versiondb/tsrocksdb/store.go

@@ -108,6 +108,7 @@ func (s Store) HasAtVersion(storeKey string, key []byte, version *int64) (bool,
 	if err != nil {
 		return false, err
 	}
+	defer slice.Free()
 	return slice.Exists(), nil
 }