Saving any template does invalidate all CSS

[XFFA.IR Bot]

When saving a template (which could also be a page or an ad), the template code does get compiled to PHP by XF\Service\Template\Compile::recompile()

PHP:

public function recompile(Template $template)
{
    [...]
    
    $this->finalize($template);
}

XF\Service\Template\Compile::finalize() then updates the last modified timestamp for all styles:
PHP:

protected function finalize(Template $template)
{
    /** @var \XF\Repository\Style $repo */...

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