Release v0.38.4 (#2088)

[Rendered
CHANGELOG.md](https://github.com/cometbft/cometbft/blob/release/v0.38.4/CHANGELOG.md#v0384)

Nightlies manual run:
https://github.com/cometbft/cometbft/actions/runs/7609975157 ✅

---

#### PR checklist

- [ ] Tests written/updated
- [ ] Changelog entry added in `.changelog` (we use
[unclog](https://github.com/informalsystems/unclog) to manage our
changelog)
- [ ] Updated relevant documentation (`docs/` or `spec/`) and code
comments

.changelog/v0.38.4/summary.md

@@ -0,0 +1,8 @@
+*January 22, 2024*
+
+This release is aimed at those projects that have a dependency on CometBFT,
+release line `v0.38.x`, and make use of function `SaveBlockStoreState` in package
+`github.com/cometbft/cometbft/store`. This function changed its signature in `v0.38.3`.
+This new release reverts the signature change so that upgrading to the latest release
+of CometBFT on `v0.38.x` does not require any change in the code depending on CometBFT.
+

CHANGELOG.md

@@ -1,5 +1,23 @@
 # CHANGELOG
 
+## v0.38.4
+
+*January 22, 2024*
+
+This release is aimed at those projects that have a dependency on CometBFT,
+release line `v0.38.x`, and make use of function `SaveBlockStoreState` in package
+`github.com/cometbft/cometbft/store`. This function changed its signature in `v0.38.3`.
+This new release reverts the signature change so that upgrading to the latest release
+of CometBFT on `v0.38.x` does not require any change in the code depending on CometBFT.
+
+### IMPROVEMENTS
+
+- `[e2e]` Add manifest option `VoteExtensionsUpdateHeight` to test
+  vote extension activation via `InitChain` and `FinalizeBlock`.
+  Also, extend the manifest generator to produce different values
+  of this new option
+  ([\#2065](https://github.com/cometbft/cometbft/pull/2065))
+
 ## v0.38.3
 
 *January 17, 2024*

store/store.go

@@ -611,7 +611,7 @@ func calcBlockHashKey(hash []byte) []byte {
 var blockStoreKey = []byte("blockStore")
 
 // SaveBlockStoreState persists the blockStore state to the database.
-// depretaced: still present in this version for API compatibility
+// deprecated: still present in this version for API compatibility
 func SaveBlockStoreState(bsj *cmtstore.BlockStoreState, db dbm.DB) {
 	saveBlockStoreStateBatchInternal(bsj, db, nil)
 }

version/version.go

@@ -3,7 +3,7 @@ package version
 const (
 	// TMVersionDefault is the used as the fallback version of CometBFT
 	// when not using git describe. It is formatted with semantic versioning.
-	TMCoreSemVer = "0.38.3"
+	TMCoreSemVer = "0.38.4"
 	// ABCISemVer is the semantic version of the ABCI protocol
 	ABCISemVer  = "2.0.0"
 	ABCIVersion = ABCISemVer