Normally, in numerical input fields [...] if I type any non-numerical character (most commonly I erroneously type "E" instead of "Enter" expecting it to confirm the input), the game freezes for some seconds (around 5 second if only one character is typed) becoming unresponding

653.446 Error ...

Definitely looks like the same issue I am having. Mine was still occurring on the newest version as of posting. Definitely wonder whats causing it myself - I have a feeling if it was across the board, this would have been a much bigger issue, so my gut tells me there is some conflict / clash / cause ...

Still occurring on current Experimental [2.0.27].

Standard troubleshooting steps like validating game files via steam have had no effect.

Save with example blueprint in inventory included.

Bug occurs on a fresh save, pulling blueprint from global blueprint library, and attempting to place.

My game experienced very heavy lag spikes upon doing a few things.

Most notable:
Typing in numerical variables for the parameterized blueprints
Setting the power consumption and production of the Cheat Code 'Energy Interface' item in a editor playground.

Log included, I see internal crashes ...