Version 4.3.1 is a small maintenance update to fix issues reported since 4.3.0.
**IMPORTANT UPGRADE NOTICE**
Please note that not all third party applications and themes are yet compatible with Invision Community 4.3. If you have customizations to your community, including SSO / custom login integration, third party modifications such as themes plugins and applications, please ensure they have been declared compatible with this update or your site may be non-functional after upgrade. There is a new compatibility field on all marketplace resource listings. If this field is missing or does not specifically list 4.3, it is likely not yet compatible.