# Go 1.27 will make some allocations cheaper

DevFeed: [Go 1.27 will make some allocations cheaper](<https://devfeed.tech/articles/go-1-27-will-make-some-allocations-cheaper-29422.md>)

Original publisher: [Read original article](<https://lemire.me/blog/2026/08/15/go-1-27-will-make-some-allocations-cheaper/>)

Author: Daniel Lemire

Published: 2026-08-15T20:59:19Z

Content type: article

Language: en

Sources: [Daniel Lemire](<https://devfeed.tech/sources/daniel-lemire.md>)

Topics: [Go Language](<https://devfeed.tech/topics/go-language.md>), [Programming](<https://devfeed.tech/topics/programming.md>), [Compiler](<https://devfeed.tech/topics/compiler.md>), [Data structures](<https://devfeed.tech/topics/data-structures.md>)

Tags: [compiler](<https://devfeed.tech/tags/compiler.md>), [data-structure](<https://devfeed.tech/tags/data-structure.md>), [go](<https://devfeed.tech/tags/go.md>), [memory-management](<https://devfeed.tech/tags/memory-management.md>), [programming](<https://devfeed.tech/tags/programming.md>), [programming-languages](<https://devfeed.tech/tags/programming-languages.md>)

## AI overview

The article explains Go's stack and heap allocations, including how escaping values, slices, and dynamic data structures can cause heap allocations. It notes that Go 1.27 is intended to make some heap allocations cheaper, while the supplied excerpt does not specify the implementation details.

## Source excerpt

Like most programming languages, Go has both stack allocations, whose lifetime is limited to the current function, and dynamic (or heap) allocations. The name stack comes from the fact that the memory management is somewhat trivial. There is typically one stack per thread (or goroutine in Go). When a function needs memory, it simply appends ... Continue reading Go 1.27 will make some allocations cheaper