SE-0556: Cell, ConstCell, and Volatile

Hello, Swift community! The review of SE-0556: Cell, ConstCell, and Volatile begins now and runs through October 23rd, 2026. Reviews are an important part of the Swift evolution process. All review feedback should be either on this forum thread or, if you would like to keep your feedback private, directly to me as the review manager by DM. When contacting the review manager directly, please put "SE-0556" in the subject line. Trying it out We have produced the following toolchains to enable re...