Release Notes: MIT - Version 2.8.6

Improvement

issue	summary
MIT-1924	Add ability to prevent writing header for tocsv()

Bug

issue	summary
MIT-1925	Fix broken mariadb tests
MIT-1920	‘SnowflakeDialect’ object has no attribute ‘default_schema_name’
MIT-1914	MaxTimestamp - add parameter to specify timestamp timezone, if one is not present
MIT-1907	The word “schedule” is misspelled as “shedule” on sequence page
MIT-1904	Plain-text credentials apparently encrypted at upgrade with default SECRET
MIT-1894	Redshift - Invalid argument(s) ‘s3_bucket’,’s3_access_key’,’s3_secret_key’ sent to create_engine()
MIT-1884	MySQL - decimal(32,18) converting to decimal(10) with reflect transform
MIT-1814	Tableau Extract Jobs Failing only when started by scheduler
MIT-1804	Credentials - Credentials can be created without a name