Update README to reflect Swift version 6.0.3 and testing library changes

README.md

@@ -5,7 +5,7 @@
 
 
                           [![Discourse topics](https://img.shields.io/discourse/topics?color=8A08E6&label=Connect%20&labelColor=FFDF58&logo=Discourse&logoColor=8A08E6&server=https%3A%2F%2Fforum.exercism.org&style=social)](https://forum.exercism.org)
- [![Exercism_II](https://img.shields.io/badge/Exercism--Built-9101FF?logo=swift&logoColor=F05138&labelColor=ffffff&label=Swift%205.8.1%20Powered)](https://exercism.org)
+ [![Exercism_II](https://img.shields.io/badge/Exercism--Built-9101FF?logo=swift&logoColor=F05138&labelColor=ffffff&label=Swift%206.0.3%20Powered)](https://exercism.org)
  [![Exercism_III](https://img.shields.io/badge/Open-11b30e?labelColor=3D454D&label=Contributions)](https://exercism.org/blog/freeing-our-maintainers)  [![Build Status](https://github.com/exercism/Swift/workflows/CI/badge.svg)](https://github.com/exercism/swift/actions/workflows/ci.yml)
 
 <br>
@@ -17,8 +17,12 @@ Hi. &nbsp;👋🏽 &nbsp;👋 &nbsp;**We are happy you are here.**&nbsp; 🎉&nb
 **`exercism/Swift`** is one of many programming language tracks on [exercism(dot)org][exercism-website].
 This repo holds all the instructions, tests, code, & support files for Swift _exercises_ currently under development or implemented & available for students.
 
-🌟 &nbsp;&nbsp;Track tooling (_test-runner and Continuous Integration_) runs on Swift `5.8.1`. <br>
-🌟 &nbsp;&nbsp;Most exercises are solvable with Swift `5.3.0` or higher.
+🌟 &nbsp;&nbsp;Track tooling (_test-runner and Continuous Integration_) runs on Swift `6.0.3`. <br>
+🌟 &nbsp;&nbsp;Most exercises are solvable with Swift `6.0.0` or higher.
+
+As of 2025 does the track use the new [swift-testing][swift-testing] library for testing. This makes the so you have to use Swift 6.0.0 or higher to run the tests.
+If you wish to still run the tests with the old XCTest framework, you can do so by pulling the `5.x` branch.
+**Note:** The `5.x` branch is no longer maintained and will not receive any updates.
 
 This track is made up of **Practice Exercises**. Practice exercises are open-ended, and can be used to practice concepts learned, try out new techniques, and play.
 
@@ -65,7 +69,7 @@ Please keep in mind [Chesterton's Fence][chestertons-fence].
 
 ## Swift Software and Documentation
 
-**Copyright © 2023 Apple Inc. All rights reserved.**
+**Copyright © 2025 Apple Inc. All rights reserved.**
 
 Swift software and documentation are licensed under the [Apache License v2.0][swift-license].