Use Legacy Swift Language Version - Xcode 8.2

Question

After updating to Xcode 8.2 the compiler throws one error for my App target:

“Use Legacy Swift Language Version” (SWIFT_VERSION) is required to be con

Answer 1

Close Xcode and open the corresponding project.pbxproj in a text editor of your choice.

Replace SWIFT_VERSION = 3.0.1; with SWIFT_VERSION = 3.0; for all targets.

Reopen Xcode.