Incompatible changes in ArangoDB 3.6

The following incompatible changes have been made in ArangoDB 3.6:

• for numeric date/time values: -62167219200000 (including) up to253402300799999 (including). These values are the numeric equivalents of and "9999-12-31T23:59:59.999Z".

Any date/time values outside the given range that are passed into an AQL datefunction will make the function return and trigger a warning in thequery, which can optionally be escalated to an error and stop the query.

The following startup options have been removed in ArangoDB 3.6:

We recommend to switch to RocksDB even before the removal of MMFiles.RocksDB is the default since v3.4.0.