Go 1.26 interactive tour
Official release notes are at https://tip.golang.org/doc/go1.26 but Anton gives a helpful walkthrough of what's new with code examples.
Go 1.26 introduces significant updates, including improved new builtin, type-safe error checking, and a goroutine leak detector. Performance enhancements include a new garbage collector, faster cgo and memory allocation, and optimized fmt.Errorf and io.ReadAll. Quality-of-life features such as multiple log handlers, test artifacts, and an updated go fix tool are also included. Two experimental packages offer SIMD support and protected mode for forward secrecy.
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