version 0.6.0 released

What's Changed

• drop python 3.7 and support python 3.11

Breaking Changes (minor ones aren't listed)

• Event.is_set is now a property not a function #75
• replace MultiError with ExceptionGroup #35
• rename get_current_task() -> current_task() #44
• remove aclosing() #55
• make Task not weak-reference-able #57
• rename cancel_protection() -> disable_cancellation()

New Features

There are many. Read the documentation.