List of identified issues and tasks:

• WriteConcern.ERRORS_IGNORED no longer exists (migration)
  • Deprecate WriteConcernType.ERRORS_IGNORED [DONE]
  • Create issue to remove deprecated ERRORS_IGNORED in 5.0
• MongoDB seems to use JULLogger which is uninitialized by default
• Character is not an accepted value anymore https://jira.mongodb.org/browse/JAVA-1804
  • add our own type converter (OGM level) [DONE]
  • Open issue to remove this conversion once the driver fixed the issue
• Queries of the style
  Unknown macro: { $query }

  fail