Release 2.4.0

Author: cuviper

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "indexmap"
 edition = "2021"
-version = "2.3.0"
+version = "2.4.0"
 documentation = "https://docs.rs/indexmap/"
 repository = "https://github.com/indexmap-rs/indexmap"
 license = "Apache-2.0 OR MIT"

RELEASES.md

@@ -1,5 +1,10 @@
 # Releases
 
+## 2.4.0
+
+- Added methods `IndexMap::append` and `IndexSet::append`, moving all items from
+  one map or set into another, and leaving the original capacity for reuse.
+
 ## 2.3.0
 
 - Added trait `MutableEntryKey` for opt-in mutable access to map entry keys.