# Changelog All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). ## [Unreleased] ## [3.2.0] - 2025-06-12 ### Added - Comprehensive benchmarking suite in `benchmark/` directory for measuring performance and memory usage across all export formats (SVG, PNG, HTML, ANSI) - `benchmark_helper.rb` providing shared utilities for IPS, memory, and stack profiling - Rake tasks for running benchmarks individually or all at once - `benchmark/README.md` explaining usage, metrics, and interpretation of results - `AGENTS.md` as a development guide for AI agents ### Changed - **SVG rendering**: Improved by **+130%** (from 184 i/s to 424 i/s) with **71% memory reduction** - **HTML rendering**: Now the fastest export format at **1,876 i/s** (rendering-only benchmark) - **Memory efficiency**: HTML now uses **6x less memory** than SVG (previously 22x) - Updated minimum Ruby version requirement to >= 3.2.0 - Updated GitHub workflow Ruby matrix to test only supported versions (3.2, 3.3, 3.4, 4.0) - Updated `README.md` with benchmark documentation and contribution guidelines ## [3.1.1] - 2025-11-25 - Update required_ruby_version to support >= rather than ~> ready for Ruby 4 ## [3.1.0] - 2025-04-28 - Added support for `offset_x` and `offset_y` options in the `as_svg` method for independent x and y padding around QR codes [#153] ## [3.0.0] - 2025-04-24 - Drop support for Ruby <3.0 in order to keep up with dev dependencies. - **Breaking Change**: The `rqrcode_core` gem has been updated to version 2.0.0, which includes breaking changes. Please refer to the [rqrcode_core changelog](https://github.com/whomwah/rqrcode_core/blob/main/CHANGELOG.md) ## [2.2.0] - 2023-06-17 ### Changed - Allow all ChunkyPNG::Color options to be passed into `fill` and `color` on `as_png` [#135] - Add 3.2 to CI [@petergoldstein](https://github.com/petergoldstein) [#133] - Development dependency upgrades. Minimum Ruby change [#130] - README updates ## [2.1.2] - 2022-07-26 ### Changed - Remove setup script as it just calls bundle install [#128] - Change inline styles to the fill property to allow for strict CSP style-src directive [#127] ## [2.1.1] - 2022-02-11 ### Added - Added in a handler for when color arguments are passed in as symbols e.g `color: :yellow`. This also allows for the use of the `:currentColor` keyword. [#122] ## [2.1.0] - 2021-08-26 ### Changed - Sync Gemfile.lock with `rqrcode_core.1.2.0` [Adds Multimode Support](https://github.com/whomwah/rqrcode_core#multiple-encoding-support) ### Added - Add badge for Standard linting ### Changed - Corrected method name referred to in CHANGELOG. ## [2.0.0] - 2021-05-06 ### Added - A new `use_path:` option on `.as_svg`. This uses a `` node to greatly reduce the final SVG size. [#108] - A new `viewbox:` option on `.as_svg`. Replaces the `svg.width` and `svg.height` attribute with `svg.viewBox` to allow CSS scaling. [#112] - A new `svg_attributes:` option on `.as_svg`. Allows you to pass in custom SVG attributes to be used in the `