v0.9.0

Added

• Allow symbol stripping from extensions (using --strip). (#40, #48, #50)
• Introduce more strict Ruby version locking (using --abi-lock). (#51, #52)

Fixed

• Solve upcoming RubyGems deprecation warnings

Changed

• Deal with RubyGems 3.x new_spec deprecation in tests.
• CI: Replace Travis/AppVeyor with GitHub Actions for Ubuntu, macOS and Windows.
• No longer raise exceptions when executed against non-compilable gems. (#38, #47)

Removed

• Drop support for Ruby 2.3.x, as it reached EOL (End Of Life)
• Drop support for RubyGems older than 2.6.0 (Ruby 2.4 includes RubyGems 2.6.8)