When open previous 1.0 files with blend set the combo is not updated.
Also when you change the value of the combo blend, you get strange results because we Mix blend and filter. To fix it I do 2 functions one to know the blend applyed with filter and the other to remove on combo value change, in favor the CSS one
Fix issue inbox#2421 (closed)
File to test:
Edited by Jabier Arraiza