The second review of SE-0290, "Unavailability Condition", begins now and runs through January 12, 2021. This proposal was previously returned for revision:
The proposal is authored by @rockbruno.
For the second review, the goal is not to re-litigate the entire original proposal, but to focus on reviewing the important details of concern brought up during the previous review discussion that were specifically addressed in the revised proposal.
As always, thank you for your contribution to making Swift a better language.
Ted Kremenek
Review Manager