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It is essential to consider these limitations when designing Visualforce pages that will be rendered to PDF. Always verify the formatting and appearance of the PDF version of your page before putting it into production. The following are some limitations of the Visualforce PDF rendering service Limitations of the Visualforce PDF rendering service include the following. PDF is the only supported rendering service. The PDF rendering service renders PDF version 1.4 and CSS versions up to 2.1. Rendering a Visualforce page as a PDF file is intended for pages designed and optimized for print. A Visualforce page rendered as a PDF file displays either in the browser or is downloaded, depending on the browser’s settings. Specific behavior depends on the browser, version, and user settings, and is outside the control of Visualforce. The PDF rendering service renders the markup and data on your page, but it might not render formatting contained within the contents of rich text area fields added t...

The " One Trigger per Object " pattern is a best practice in Salesforce development that involves consolidating multiple trigger logic into a single, well-structured trigger handler class per object. This pattern helps to maintain clean and organized code, reduces the risk of trigger order issues, and facilitates better code reuse and maintainability. Trigger Handler Class public class AccountTriggerHandler {          public static void onBeforeInsert(List<Account> newList) {         // Your before insert logic here     }          public static void onBeforeUpdate(List<Account> newList, Map<Id, Account> oldMap) {         // Your before update logic here     }          public static void onBeforeDelete(List<Account> oldList) {         // Your before delete logic here     }        ...