Fatal errors and more

Hello
At first time I see your app really I like it… I was thinking on buying pro…
But after some days of use I realize that it need long way to go, it has a lot of potential but workflow become sooo slow and stressful, lines that appear everywhere when you dont need them, and later you cant delete easily… group window dont let me choose groups, cant go to measure to modify, no back steps option…
Only to make a simple terrain with a river and bridge, take me more than one hour
I cant pay for a product like this

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With the next release (coming in a day) most of these bugs are fixed. And new tutorials are coming soon.