# Crystal 1.22.0 Release

> Crystal 1.22.0 release adds performance boosts and new features for developers.
- Title: Crystal 1.22.0 Release · The Crystal Programming Language
- Summary: Crystal 1.22.0 release adds performance boosts and new features for developers. Crystal 1.22.0 release includes 251 changes from 33 contributors with…
- Keywords: crystal, 1.22.0, stdlib, llvm, aarch64, eventloop, dwarf, technology, startups, Release, The Crystal Programming Language
- Source: The Crystal Programming Language — https://crystal-lang.org/2026/10/12/1.22.0-released
- Author: Johannes Müller
- Published: 2026-10-12T00:00:00+00:00
- Read time: 1 min
- Topics: crystal, 1.22.0, stdlib, llvm, aarch64, eventloop, dwarf, technology, startups
## New Release Announced
Crystal 1.22.0 is released with 251 changes from 33 contributors.
## Breaking: Exit on Pipe Error
Crystal processes exit immediately when writing to STDOUT or STDERR fails with EPIPE.
## Constants with Type Declarations
Constants can have type declarations like BAR : Int32 = 1.
## aarch64-linux Tier 1 Promotion
aarch64-linux-gnu and aarch64-linux-musl moved from Tier 2 to Tier 1.
## Process.fork Removed
Process.fork was deprecated before 1.0 and now removed.
## New Macros Added
New macros include StringLiteral#bytesize and NumberLiteral#chr.
## DWARF Parsing Refactored
DWARF parsing revamped for performance with on-demand section scanning.
## All Targets Support Native Event Loop
All targets now use system selector for native event loop by default.
## Key takeaway

Crystal 1.22.0 release includes 251 changes from 33 contributors with improved performance and new features.