6.0.0

Swift 6 and concurrency support -- now requires Swift 6.

• More concurrency-correct API changes
• Split "call-with-Swift-block" methods into two versions: one taking
  a non-escaping non-sendable closure for immediate evaluation, and
  the other taking a sendable, escaping closure for future use
• Updated documentation for Linux workarounds

6.0.0-pre1

First release leading up to Swift 6.

• Revamp for modern Swift including concurrency checking, many technically-changed APIs
• Update CRuby, introduce xcconfig

5.5.0

Enhancements

• Support Ruby 3.3

5.4.0

Enhancements

• Support Ruby 3.2

5.3.0

Enhancements

• Support Ruby 3.1

5.2.0

Enhancements

• Support building cleanly with Xcode13 GA.
  Karim Alweheshy

5.1.0

Update to require Swift 5.4 to build, Ruby 2.6 to run, and support Ruby 3 too.

Breaking

• Removed RbGateway.taintChecks -- $SAFE removed in Ruby 3
• Internal modules CRuby and RubyGatewayHelpers are now imported as
  @_implementationOnly

Enhancements

• Support Ruby 3 - check README notes on -fdeclspec, see CI for an example
• Support building cleanly with Xcode 13
• Add kwArgs parameter to RbMethod.yieldBlock(...)

4.0.0

Breaking

• Require minimum Swift 5.4 / Xcode 12.5
• Require minimum Ruby 2.6

3.2.1

Bug Fixes

• Fix warnings and tests for Swift 5.2/Xcode 11.4.

3.2.0

Breaking

• None

Enhancements

• Add RbObjectAccess.setConstant(_:newValue:), somehow overlooked!
• Add RbGateway.setArguments(_:) to help with ARGV-setting.

Bug Fixes

• None