-[ADDED] Support silent: true in bulk update [#5200](https://github.com/sequelize/sequelize/issues/5200)
-[ADDED]`retry` object now part of global settings and can be overridden per call. The default is 5 retries with a backoff function. `retry` object can be passed to options with max: 0 to turn off this behavior.
-[ADDED] Sqlite now retries database queries that return SQL_BUSY as the status.
-[ADDED] Add `IF EXIST` to postgres alter enum [#4464](https://github.com/sequelize/sequelize/pull/4464)
-[FIXED] Postgres destroy with `where` fails on JSONB data [#5092](https://github.com/sequelize/sequelize/issues/5092)
-[FIXED] hasMany.separate with foreign keys having `field`
# 3.17.3
-[FIXED] Regression with array values from security fix in 3.17.2