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Synergy 3 is still in the release candidate stage of development, and is not the final version (also known as stable or GA, meaning 'general availability'). It may contain bugs that affect the stability of the software.

We're currently working on Synergy 3 RC2 (the 2nd release candidate) for Synergy 3 which we expect will be considerably more stable than Synergy 3 RC1. We plan to release Synergy 3 RC2 in July.

We would like to encourage you to try Synergy 3 RC1, but if you have any problems, then please either contact us for technical support or use Synergy 1 instead (which is GA/stable).

If you’re upgrading from either Synergy 1 or the alpha/beta version of Synergy 3, then please remove any existing Synergy installations first and reboot your computer before installing Synergy 3 RC1. Our development team is currently working on this issue and will be releasing a new version soon (RC2) to ensure that upgrades are painless in future.

Synergy 3 is new software (launched on 31st May 2023), so please accept our apologies for any inconvenience and thanks for your patience while we solve these early post-launch problems. If you need help, please contact our technical support team who work closely with the development team to solve customer problems.