There is some possibility that Themler is compatible with Guttenberg, since I have tried and most of the blocks do not really work well, I think Guttenberg is the future of Wordpress and Themler, if...

http://templates.themler.com/Themes/Preview/2568674/Spa-Two-Rows-Six-Cells?device=d Many of the themes don't work at all in internet explorer and widows edge. For instance the one above starts moving...