The FMI 3.0-beta.4 pre-release is available on GitHub.
Changes compared to 3.0-beta.3 are listed here.
The Reference FMUs have been updated to fit with FMI 3.0-beta.4.
FMI 3.0-beta.4 will be used for the coming FMI3 Plugfest VI on March 1st/2nd 2022 to test FMI3 tool prototypes.