Salesforce Object Query Language (SOQL) includes changes to limits and calls

Changed Limits

Use longer SOQL queries
The maximum length of SOQL statements has been increased from 20,000 to 100,000.
Use more relationships in queries
The maximum number of child-to-parent relationships in a query has been increased from 35 to 55.

Changed Calls

Select items based on visibility
Use the new RecordVisibilityContext clause to filter WITH queries.