Using Synfig 1.2.2 64bit for Windows 10, High CPU usage more than 25% just open it do nothing

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Using Synfig 1.2.2 64bit for Windows 10, High CPU usage more than 25% just open it and do nothing.

Need to fix it.

Best Regards

Hi,
did you try 1.3.11?
1.2.2 is the “old” stable release, 1.3.11 contains all recent improvements.