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Opal v1.5.1 Release Notes

• 🛠 Fixed

  • 👉 Make Time.new not depend on Date.prototype.getTimezoneOffset() (#2426)
  • 🛠 Fix exception during Hash#each_value if keys get deleted during loop (#2427)
  • Fix scan_until and check_until implementation of StringScanner (#2420)

Previous changes from v1.5.0

• ➕ Added

  • 👍 Introduce timezone support for Time by @hmdne in https://github.com/opal/opal/pull/2394
  • 🔨 DateTime and Date refactor by @hmdne in https://github.com/opal/opal/pull/2398
  • Implement Number#prev_float/#next_float by @takaram in https://github.com/opal/opal/pull/2404
  • 👌 Support binding.irb anywhere in the code, for both browsers and node by @hmdne in https://github.com/opal/opal/pull/2392 and https://github.com/opal/opal/pull/2408
  • Added URI.decode_www_form by @HoneyryderChuck in https://github.com/opal/opal/pull/2387

  🔄 Changed

  • 🚚 Move Math IE11-supporting polyfills to a separate file by @hmdne in https://github.com/opal/opal/pull/2395
  • String methods always return Strings even when overloaded by @hmdne in https://github.com/opal/opal/pull/2413
  • Misc changes extracted from DCE work by @elia in https://github.com/opal/opal/pull/2414
    • alias calls will not add the "old name" method to the list of stubs for method missing
  • 🐎 Optimize writer/setter methods (up to 4% performance gain!) by @hmdne in https://github.com/opal/opal/pull/2402
    • Also fixed few edge cases of conditional calls combined with setters, e.g. foo&.bar = 123

  🐎 Performance

  • ⚙ Runtime optimization by @hmdne in https://github.com/opal/opal/pull/2383
    • Improve performance of argument coertion, fast-track Integer, String, and calling the designed coertion method
    • Optimize Array#[]= by moving the implementation to JavaScript and inlining type checks
    • Optimize internal runtime passing of block-options
  • Compile case statements as switch whenever possible by @hmdne in https://github.com/opal/opal/pull/2411
  • 👌 Improve performance with optimized common method/iter implementation shortcuts by @hmdne in https://github.com/opal/opal/pull/2401

  🛠 Fixed

  • 🛠 Fix Regexp.new, replace \A to ^ and \z to $ by @ysakasin in https://github.com/opal/opal/pull/2079
  • 🛠 Fix exception during Hash#each and Hash#each_key if keys get deleted during the loop by @janbiedermann in https://github.com/opal/opal/pull/2403
  • 🛠 Fix defining multiple methods with the same block by @elia in https://github.com/opal/opal/pull/2397
  • Correct String#to_proc and method_missing compatibility by @hmdne in https://github.com/opal/opal/pull/2418
  • Exit REPL respecting the exit status number by @janbiedermann in https://github.com/opal/opal/pull/2396

  Internal

  • 🔨 Rewriters refactor, fix interaction between cache and inverted runner by @hmdne in https://github.com/opal/opal/pull/2400
  • 🚀 releasing.md: add a step to prepare for next release by @hmdne in https://github.com/opal/opal/pull/2407

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