Odoo 13 Technical

It seems as in Odoo 13, wkhtml2pdf will replace by chrome headless:  https://github.com/odoo/odoo/pull/32624 [1] Possible to disable the import option for specific view by adding import="0" attribute in the tree tag. https://github.com/odoo/odoo/commit/55676110c8787dfafd34a6508b207952f5c5eb88 Ex: <tree import="0"> Possible that onchange will no more in odoo13, Instead of onchange, compute will be used...