Problem:

The problem here is that the user's WYSIWYG field is not working when viewed on Firefox.

Solution:

Unfortunately this is a known issue that can't be solved on our end. For further details you can check the errata page below.

https://toolset.com/errata/visual-tab-of-wysiwyg-field-doesnt-work-in-firefox/

Problem:

- I would like to have a "number" field filled in automatically according to two other fields

- I would like to limit a "number" field according to a result.

Solution:

If you are using Toolset Forms plugin to setup post forms, you can consider custom JS codes, for example:

https://toolset.com/forums/topic/number-field-limit-and-calculation/#post-2151019

Relevant Documentation:

https://api.jquery.com/change/

https://api.jquery.com/val/

Problem:

Setup wpv-conditional shortcode, check the specific option is checked.

Solution:

You can use Types shortcode as condition, for example:

[wpv-conditional if="( '[types field='my-checkboxes' option='0'][/types]' eq 'video' )"]
Here display something
[/wpv-conditional]

Relevant Documentation: