View State in Salesforce
It is a state that holds tags, field values and all component of controller except transient type. The maximum size limit of visualforce page is 132KB. If the size increase it results in View state problem.
How to enable View State for Read more…
Style your existing Visualforce page with Lightning Experience
You can view your existing Visualforce page with lightning experience by simply adding a lightningStylesheets=”True” attribute in the tag.
This tag will work with Salesforce for Android, Salesforce for iOS, or Salesforce mobile web.