Created new theme fear of loosing data in upgrades.

Hi @wreckcox,
First of all you should not modify colors.php and css.php. You should use the color options in Dashboard > Forums > Settings > Styles admin page and select colors you want. They’ll be automatically changed in these php files.
https://wpforo.com/docs/root/wpforo-settings/style-settings/
https://wpforo.com/docs/root/forum-themes/theme-styles/

The style.css file is also not supported. All custom CSS code should be located in Dashboard > Forums > Settings > Styles > Custom CSS Code textarea, not in style.css. You should overwrite style.css code using your CSS code in the textarea. It’s loaded after style.css so it’ll have more priority.

The 404.php and tags.php can be located in WordPress active theme /wpforo/ directory. They’ll not be changed when you update wpForo. It’s explained here: https://wpforo.com/docs/root/forum-themes/theme-customization/

The 404.php and tags.php can be located in WordPress active theme /wpforo/ directory. They’ll not be changed when you update wpForo. It’s explained here: https://wpforo.com/docs/root/forum-themes/theme-customization/

I read the document and understood clearly except this minor query:
“I am using child theme. So, should this be added to child theme or the parent theme”? Does active theme means child theme?
Sorry, if I bothered you much.

Found out myself. It does work in child theme.