Since many of you are probably migrating to Swift 4 as you listen to this, we figured we'd share our thoughts on the transition.

We share our tips for measuring & improving Swift compilation times, as well as share some news about recent efforts to test compile times within the Swift repo.

We welcome Mike Ash to the show to discuss the implementation details of weak references in Swift and how they've changed.

We discuss some recent Swift Evolution proposals, Xcode 9 GM, along with a boatload of Follow Up (tm) from Ted Kremenek and Pierre Habouzit.

All about the recent refactoring pieces announced at WWDC 2017 and open sourced in the last few months.

We welcome Chris Lattner to the show to discuss concurrency in Swift 5 and beyond!

We share our thoughts on the newly announced goals for Swift 5.

The fourth and final episode in our series on ABI Stability, we cover the remaining categories of decisions that must be made to stabilize the ABI.

Continuing our series on ABI Stability with a third installment, we focus on the mangling component and address some past mistakes.

Following last week's episode on the big picture of ABI Stability, we focus on two categories of decisions that need to happen to get there: data layout and metadata.