v2.0.38

Infrastructure

• Restore published Node engine range to >= 10 for 2.x releases (engine bumps now treated as major changes)
• Add CI guardrail to block raising engines.node without a major version bump

Full changelog: https://github.com/locutusjs/locutus/blob/main/CHANGELOG.md

v2.0.37

New Functions (32 across 7 languages)

• R: toupper, tolower, nchar, sqrt, round, max, min (7)
• Lua: string.len, string.rep, string.reverse, math.sqrt, math.sin, math.cos, math.max, math.min (8)
• AWK: cos, exp, log, sin, sqrt (5)
• Elixir: String.downcase, String.upcase, String.length, String.reverse (4)
• Clojure: string/lower-case, string/upper-case, string/reverse, string/trim, string/blank? (5)
• Julia: lowercase, uppercase (2)
• Perl: reverse (1)

Infrastructure

• Moved rosetta.yml from src/_data/ to src/ for cleaner structure
• Fixed parity test handlers for Julia, Elixir, Clojure, R (string quoting, float precision)
• Updated cross-language mappings in rosetta.yml

Full changelog: https://github.com/locutusjs/locutus/blob/main/CHANGELOG.md

v2.0.36

New Functions

• Perl string functions: uc (uppercase), lc (lowercase), substr (with negative offset support)

Fixes

• Fixed parity test string normalization for Perl (native print doesn't quote strings)

Full Changelog

v2.0.35

New Functions

• Lua string module: upper, lower, sub (with 1-based indexing and negative index support)
• AWK builtin functions: tolower, toupper

Fixes

• Fixed parity test string normalization for Lua and AWK (native print doesn't quote strings)

Full Changelog

v2.0.34

New Languages (7)

• Perl 5.40: POSIX::ceil, POSIX::floor, core::length
• Lua 5.4: math.ceil, math.floor, math.abs
• R 4.4: ceiling, floor, abs
• Julia 1.11: Base.ceil, Base.floor, Base.abs
• Elixir 1.18: Float.ceil, Float.floor, Kernel.abs
• Clojure 1.12: Math/ceil, Math/floor, Math/abs
• GNU AWK 5.3: length, int, substr

New Functions

• Go: 11 strings functions (Contains, ContainsAny, Count, EqualFold, HasPrefix, HasSuffix, Index, LastIndex, Repeat, ReplaceAll, Split)
• Ruby: 14 Math functions (sqrt, sin, cos, exp, log, tan, asin, atan, cbrt, cosh, log10, log2, sinh, tanh)
• Python: 8 math functions (ceil, floor, exp, fabs, log, log10, log2, trunc)

Parity Verification

• New cross-language verification system with Docker
• PHP: 164 functions verified against PHP 8.3
• Python: 23/25 functions verified against Python 3.12
• Go: 20 functions verified against Go 1.23
• Ruby: 30/32 functions verified against Ruby 3.3
• C: 11/18 functions verified against GCC
• parity verified: header in function files for CI integration
• Parallel execution with caching for fast test runs

Website

• Rosetta Stone: Cross-language function links on each function page
• Hover tooltips on verified badges showing exact version
• Internal dependencies shown with clickable links
• Authors rendered server-side instead of client-side JS
• Hexo upgrade 7.1.1 → 8.1.1

Infrastructure

• Converted src/_util/ to TypeScript, removed Babel 6
• Migrated from Mocha/Chai to Vitest
• Updated Node engine requirement from >= 10 to >= 22
• Added stricter Biome rules: noAccumulatingSpread, useAwait, noFloatingPromises
• CI runs full lint checks (lint:ts, lint:headers, lint:no-stray-js)
• Standardized array checking to Array.isArray() across 43 files
• Added composer.json for PHP project integration

Dependencies

• mocha 10 → 11, chai 4 → 6, rimraf 5 → 6, cross-env 7 → 10

Bug Fixes

• Node 25 compatibility: async queue drain, indentString
• Docker image pull optimization (once at init, not per-function)

Full changelog: https://github.com/locutusjs/locutus/blob/main/CHANGELOG.md

v2.0.33

Released: 2026-01-07

Bug Fixes

• quoted_printable_encode: Fixed soft line break stripping logic
• get_defined_functions: Updated unrealistic test expectation
• array_diff_uassoc: Corrected expected return value to match PHP
• array_merge_recursive: Reimplemented to properly merge arrays recursively
• array_splice: Fixed test to use arrays instead of objects

Tooling Updates

• Updated Yarn from 4.0.1 to 4.12.0
• Added Knip for unused code detection
• Added TypeScript and @types/node as devDependencies
• Created initial TypeScript type definitions (index.d.ts)
• Added cross-language verification script (scripts/verify.ts)
• Migrated from ESLint/Prettier to Biome

New Functions

• 55+ new functions across PHP, Go, Python, Ruby, and C

Full changelog: https://github.com/locutusjs/locutus/blob/main/CHANGELOG.md

v2.0.32

Released: 2024-04-05

• Update intro and add to the NPM module as a README.md

Full changelog: https://github.com/locutusjs/locutus/blob/main/CHANGELOG.md

v2.0.31

Released: 2024-04-05

New Functions

• file_exists: Introduced (thx @erikn69)

Bug Fixes

• strtotime: Add support for oracle dates (fixes #340)
• bin2hex: Add support for multi-byte characters (fixes #427)
• var_dump: Detect circular references (fixes #305)
• escapeshellarg: Add Windows support (fixes #395)
• fmod: Fix Uncaught RangeError: toFixed() digits argument must be between 0 and 100 (thx @dekairi, fixes #417)

DX

• Add use strict to generated tests
• Add Stale Action

Full changelog: https://github.com/locutusjs/locutus/blob/main/CHANGELOG.md

v2.0.30

Released: 2024-04-05

• Relax yarn engine requirement (fixes #467)
• Allow for custom mocha tests for functions (that aren't generated based on header comments)

Full changelog: https://github.com/locutusjs/locutus/blob/main/CHANGELOG.md

v2.0.29

Released: 2024-04-04

Bug Fixes

• Fix issue #458: unserialize fails when serialized array contains (@kukawski)

DX

• Switch from master -> main branch
• Upgrade to Yarn 4 managed by Corepack
• Add testing for Node 20
• Add prettier & upgrade ESLint & StandardJS
• Upgrade Hexo to latest
• Clarify contributing docs
• Allow all core contributors to cut NPM releases by pushing Git tags
• Upgrade all remaining dependencies

Full changelog: https://github.com/locutusjs/locutus/blob/main/CHANGELOG.md