ios - How do I keep using Swift 2.3, instead of 3.0, Xcode updated and can't build anymore -


i developing app 20+ framework dependencies , not of them on 3.0 yet. want keep using swift 2.3. however, after updating xcode 8.0, can no longer build app. fails following error:

“use legacy swift language version” (swift_version) required configured correctly targets use swift. use [edit > convert > current swift syntax…] menu choose swift version or use build settings editor configure build setting directly.

i don't want convert whole project 3.0 yet.

so question how keep same after xcode 8.0 update?

in case want use swift 2.3 should go build settings -> use legacy swift language version -> yes achieve it. after building app, there minor syntax issues. after fixing (not hard) go usual


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