v17.4.0

What's Changed

• Simplify WebSocket push in (common) single channel case by @lbwexler in #313
• Workaround for grails/gorm-hibernate5#750 by @lbwexler in #315
• Improve Exception Handling in ProxyService by @lbwexler in #316

Full Changelog: v17.3.0...v17.4.0