Share, discuss and vote for what you would like to see added to WHMCS
max_input_varsdefault limit of PHP, which is 1000. This prevents you from saving any changes you have made on the page.
max_input_varsvalue, which by itself can open a way for Denial of Service attacks (as per official php docs (here)[https://www.php.net/manual/en/info.configuration.php#ini.max-input-vars].) To prevent that you'd also need to apply a whole other set of configuration to limit
max_input_varsto certain pages, which depending on the environment setup, would be hard to do or would require a lot of hack fixes.
Domain Pricingpage and other similar pages would pass this data via body content (JSON, or any other format), so that changes to php.ini would not be required.