Golang 1.13 was released in 3 September 2019. This post has difference from 1.12 to 1.13. I check the changes at the release notes and difference of src.
The latest Go release, version 1.13, arrives six months after Go 1.12. Most of its changes are in the implementation of the toolchain, runtime, and libraries. As always, the release maintains the Go 1 promise of compatibility. We expect almost all Go programs to continue to compile and run as before.
Diff on GitHub
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