Synergy 4 Dragon Beta

v4.0.0 (November 11, 2026)

Features

• Put every computer to sleep at once, or wake every sleeping computer, from the tray menu or from the power button in the window's header. Sleeping asks every computer in the profile, the one you chose it on last.
• Each computer's panel now has a Sleep button, and a Wake button once it is asleep.
• A computer can go to sleep with the primary, and waking any computer can wake the others. Both are off until turned on in that computer's settings.
• Waking uses Wake-on-LAN, so a computer has to be on a network cable with Wake-on-LAN turned on. A computer on Wi-Fi is named as one that probably cannot be woken, before it goes to sleep rather than after.

Enhancements

• The app is now named Synergy 4 Dragon Beta. On a Mac that updated from an earlier version, the app in Applications keeps its old name until you drag the new one in from the disk image and open it. The old copy can then be deleted.
• A computer removed from the network stays out, whatever name it gives itself, and once a reset or reinstalled computer has been approved again, its earlier install can no longer connect.
• The Windows installer and updates are about 16 MB smaller.

Bug fixes

macOS

• Stopped the Core on a Mac sometimes crashing about 10 seconds after it started, which handed the keyboard and mouse back to the other computer and restarted sharing.