Go 1.26 Release Notes

3 months ago

Go 1.26 introduces new language features, including allowing the built-in `new` function to take an expression as an operand.
Generic types can now refer to themselves in their type parameter lists, enabling more powerful type constraints.
The `go fix` command has been revamped to modernize Go codebases, incorporating fixes from the Go analysis framework.
A new garbage collector, 'Green Tea', is enabled by default, offering performance improvements and reduced overhead.
Cgo calls now have reduced runtime overhead, and heap base address randomization is introduced for security.
An experimental goroutine leak profile is available to detect permanently blocked goroutines.
The compiler optimizes slice allocations on the stack, improving performance.
New packages include `crypto/hpke` for Hybrid Public Key Encryption and experimental `simd/archsimd` for SIMD operations.
Significant library updates include changes to cryptographic functions, TLS enhancements, and new methods in various packages.
Port updates include the last support for macOS 12 Monterey and changes to PowerPC and RISC-V ports.

Hasty Briefsbeta