5.5.6 is a minor update, primarily to address a regression where custom text fields might output HTML entities.

Fixes

• Custom text fields would output HTML escaped tags (such a newlines appearing as "<br/>").
• [Agent] Filters with criteria on 'date archived' would cause an error
• [Agent] Filters with criteria on org labels would cause an error
• [Agent] Bogus errors would be netered into developer console log during heartbeat calls