diff --git a/FMILIB_Readme.txt b/FMILIB_Readme.txt
index f20a3603..200511fc 100644
--- a/FMILIB_Readme.txt
+++ b/FMILIB_Readme.txt
@@ -8,8 +8,8 @@
 
 \mainpage FMI Library
 
-\version     2.3
-\date        3 May 2021
+\version     2.4
+\date        27 January 2022
 \section Summary
 FMI library is intended as a foundation for applications interfacing FMUs 
 (Functional Mockup Units) that follow FMI Standard. This version of the library supports FMI 1.0 and FMI 2.0.
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 561f7d34..874068be 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -4,6 +4,18 @@ The release notes are typically a highlighting subset of all changes made. For f
 
 Note that version 2.1 is the first version with release notes. Please see the commit history for older versions.
 
+## 2.4
+
+### Changes
+
+- Added new functions `fmi[1/2]_import_get_options` for retrieving an options object.
+- Added new function `fmi_import_set_option_loadlibrary_flag` to allow customization of platform-dependent flags passed to `dlopen`/`LoadLibraryEx` when loading the FMU binary.
+
+### Bug fixes
+
+- Fixed memory leak from parsing Enums.
+- Fixed memory leaks in tests.
+
 ## 2.3
 
 - Updated `fmi_import_get_fmi_version` to also work on unpacked FMUs.