We need to update our wordpress site to the new version for many good reasons. In newer versions many bugs are always fixed and a number of security holes are patched. New features and functionalities are added with increase of speed.
- Backup the site
- Update themes & plugins
- Update the whole website
What problems you may face:
- 500 Error: You may face this issue when PHP version is not updated. .HTTPD file is not updated.
- There has been a critical error on your website. Please check your site admin email inbox for instructions.
- Learn more about debugging in WordPress.
wp-login.php: If you replace old file with new one you will face issue because login password is present in this file. Keep proper backup of old file.
wp-config.php: If you replace old file with new one you will face issue because database details are present in this file. Keep proper backup of old file.