Sourced from rubyzip's changelog.

2.4.1 (2025-01-05)

This is a re-release of version 2.4 with a full version number string. We need to move to version 2.4.1 due to the canonical version number 2.4 now being taken in Rubygems.

Tooling:

• Opt-in for MFA requirement explicitly on 2.4 branch.

2.4 (2025-01-04) - Yanked

Yanked due to incorrect version number format (2.4 vs 2.4.0).

• Ensure compatibility with --enable-frozen-string-literal.
• Ensure File.open_buffer doesn't rewrite unchanged data. This is a backport of the fix on the 3.x branch.
• Enable use of the version 3 calling style (mainly named parameters) wherever possible, while retaining version 2.x compatibility.
• Add (switchable) warning messages to methods that are changed or removed in version 3.x.

Tooling:

• Switch to using GitHub Actions (from Travis).
• Update Rubocop versions and configuration.
• Update actions with latest rubies.

2.3.2 (2021-07-05)

• A "dummy" release to warn about breaking changes coming in version 3.0. This updated version uses the Gem post_install_message instead of printing to STDERR.

2.3.1 (2021-07-03)

• A "dummy" release to warn about breaking changes coming in version 3.0.

2.3.0 (2020-03-14)

• Fix frozen string literal error #431
• Set OutputStream.write_buffer's buffer to binmode #439
• Upgrade rubocop and fix various linting complaints #437 #440

Tooling:

• Add a bin/console script for development #420
• Update rake requirement (development dependency only) to fix a security alert.

2.2.0 (2020-02-01)

• Add support for decompression plugin gems #427

2.1.0 (2020-01-25)

• Fix (at least partially) the restore_times and restore_permissions options to Zip::File.new #413
  • Previously, neither option did anything, regardless of what it was set to. We have therefore defaulted them to false to preserve the current behavior, for the time being. If you have explicitly set either to true, it will now have an effect.

... (truncated)

• 6c4b7a9 Move to version 2.4.1 due to clash with 2.4.
• 3b4c2bf Opt-in for MFA requirement explicitly on 2.4
• e3eb624 Make sure version number is 2.4.0.
• c09352b Bump version and Changelog for release.
• 71bb069 Update actions with latest rubies.
• bb06f99 Update actions dependencies.
• 3d95a82 Update earliest Ruby version for MacOS builds in CI.
• 56954b0 Suppress "literal string will be frozen in the future" warning
• 6ff40f7 Fix setting and restoring RUBYZIP_V3_API_WARN in tests.
• e05dc9b Improve version 3 API messages.
• Additional commits viewable in compare view

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