Attached are the Winter 19 release notes, upgrade instructions (from Summer 18) and the updated user manuals.
Please note that the upgrade instructions are specifically for upgrading from Summer 18 to Winter 19. Summer 18 is version v1.250.3 or later. Upgrades must be done in Salesforce Classic
If you have a version that is older than Summer 18, please follow this article to upgrade to Summer 18 before upgrading to Winter 19.
If you are not sure which version you currently have, please follow the steps below to find out:
1. Go to Salesforce Set up, search for "Installed Packages".
2. You will see the version number under "Version Name".