# evtcall > rust event driven framework ### Release History * Jul 8th 2024 to release 0.2.8 to make EvtChannel with RwLock replace RefCell * Jul 3rd 2024 to release 0.2.6 to add get_name in EvtChannel * Apr 11th 2024 to release 0.2.2 to add DeferCall when call defer functions when functions return * Apr 11th 2024 to release 0.2.0 for name changed ThreadEvent * Apr 10th 2024 to release 0.1.10 for export EventFd in ThreadEvent simplified interface functions * Apr 10th 2024 to release 0.1.8 for EventFd with flags and EventFd with reset_event wait_event * Apr 9th 2024 to release 0.1.6 for thread of EvtThread * Feb 18th 2024 to release 0.1.4 for channel of EvtChannel * Jan 29th 2024 to release 0.1.2 for eventfd set and is * Jan 18th 2024 to release 0.1.0 for the first version