4.3.0

• Improved connecting on Windows when the Happ service is slow to start, and showing a clear reinstall message if the service can't start at all
• Added a Settings page to each subscription's menu for setting that subscription's own User-Agent, replacing the single global User-Agent option
• Fixed the VPN tunnel being lost after putting a Linux or macOS computer to sleep
• Fixed server links that include both certificate name parameters using the wrong one, depending on the order they appear in