This is the fourth stable release of the 3.9 series. Please backup your workspace directory before installing and report any problems that you encounter.

Changes

• Enable custom clustering for non-GREL expressions (#7243) by @b2m
• Identify syntax errors in Python expressions (#7217) by @SoryRawyer
• Include contextPath when returning a redirect response (#7244) by @SoryRawyer
• Fix deserialization of RowAdditionOperation (#7247) by @wetneb

Full changelog: 3.9.2...3.9.3