v4.0.0

Breaking changes

• The alignArray algorithm has been improved to produce more useful diffs when content shifts in tall images. This will lead to different diff output from before.
• Dropped common-JS support. The library is now exported as an ESM library.

Full list of changes

• Replace jimp with sharp by @lencioni in #42
• Specify checkout method in CircleCI configs by @lencioni in #43
• Bump js-yaml from 3.14.1 to 3.14.2 by @dependabot[bot] in #44
• Switch from yarn to pnpm by @trotzig in #45
• Add five new snapshot test examples by @trotzig in #47
• Add profiling script by @trotzig in #48
• Add diff viewer server and four new snapshot examples by @trotzig in #49
• Optimize LCS with band-limited flat typed arrays (~1.9× faster) by @trotzig in #50
• Exclude test files from published npm package by @trotzig in #51
• Convert project to ESM and update authors by @trotzig in #52
• Improve LCS alignment using frequency-capped row matching by @trotzig in #53
• Switch to pnpm and add CLAUDE.md by @trotzig in #55
• Add second-pass placeholder simplification to reduce visual noise by @trotzig in #56

Full Changelog: v3.0.0...v4.0.0