The 2.3 branch has been created. I will now begin the pre-release testing and packaging. I will have the pre-release version tarballs and binaries ready on Monday, May 12th. I will ask you all to begin testing at that time.
If you need to check out the branch before then, here is the proper command (for llvm):
The release schedule may be found on the llvm.org main page.
Have a good weekend.