Here, you find recently updated articles in the Optimizely Campaign user guide:

• Lead Synchronization: Synchronizing lead ads from Facebook is described in a new article.
• Recipient history: Deleting all data related to a recipient now includes blocklist entries.
• Custom blocklists: Blocklist entries from a csv file can now be added to an existing blocklist. Previously, the blocklist had to be cleared before importing.
• Domain Management: added description of self-service options
• Transactional messages: added description of archiving function