...
- Enable the following
- Collapsible Sections
- Hover Details (not really much of a thing in Lightning though, which is a shame)
- Related Lists Hover Links
- Separate Loading of Related Lists
- Ignore External Objects, they aren't a thing anymore
- Inline Editing
- Enhanced Lists
- Classic 2010 User Interface Theme, yes yes, you still need to enable this
- Tab Bar Organizer
- Customization of Chatter User Profile Pages
- All Calendar items
- Enhanced Page Layout Editor
- Improved Setup User Interface
- Advanced Setup Search
- Do not enable
- Collapsible Sidebar (if using Classic)
- Show Custom Sidebar on all pages (unless using Classic, which you aren't, right)
- Enable Printable List Views
- Turn off customizable Most Recently Used (MRU) actions
- Disable the "Lightning Experience Turns On Soon" Admin Reminder
- Anything in the Setup unless you know what you are turning on
- Disable the following
- Disable Nav Bar Personalization (you want this)
- Show Quick Create (not really a thing in Lightning, but still disable it)
- Enable Salesforce Notification Banner (maybe enable it in Sandbox)
- Check
- Mail Merge (it doesn't actually exist anymore
- Make Choices
- Name Settings
- I don't know
- Google Chrome Storage Partitioning
- ICU formats for en_CA (unless you are in Canada maybe)
- Streaming API (unless you are using it).
- Visualforce
User Interface > Density Settings
- Compact
User Interface > Record Page Settings
- Grouped View
User Management Settings
For the top section and bottom section, think about your security requirements and set it that way
Turn on
- Enhanced Profile List Views
- Enhanced Profile User Interface
- Enhanced Permission Set Component Views
- Field-Level Security for Permission Sets during Field Creation - IMPORTANT!
- User Access Policies
- Enhanced Interface for User Access Policies
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