Small improvements by the community worth distributing before the IO changes.

What's Changed

• Fix dropped child-exit event for fast-exiting processes on macOS by @garrettsammons in #617
• Fix combining glyphs after cursor movement, issue #625
• Make SelectionService and TerminalView.selection public by @GiacoW in #626

New Contributors

• @garrettsammons made their first contribution in #617
• @GiacoW made their first contribution in #626

Full Changelog: v1.17.0...v1.18.0