Julia v1.13 Release Notes

New language features

• New Base.@acquire macro for a non-closure version of Base.acquire(f, s::Base.Semaphore), like @lock. (#56845)

Language changes

Compiler/Runtime improvements

Command-line option changes

Multi-threading changes

Build system changes

New library functions

New library features

• sort(keys(::Dict)) and sort(values(::Dict)) now automatically collect, they previously threw (#56978).
• Base.AbstractOneTo is added as a supertype of one-based axes, with Base.OneTo as its subtype (#56902).

Standard library changes

JuliaSyntaxHighlighting

LinearAlgebra

Profile

REPL

Test

• Test failures when using the @test macro now show evaluated arguments for all function calls (#57825, #57839).

InteractiveUtils

External dependencies

Tooling Improvements