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This is a Long-Term Support (LTS) maintenance release in the 5.9.x line, focused on bug fixes, security patches, and stability improvements. Upgrades from 5.9.2 → 5.9.3 are non-breaking and fully compatible.

Release Highlight

FlowX.AI 5.9.3 is a maintenance release for the 5.9.x LTS:
  • Real-time event delivery: fixes a Redis connection leak in the Events Gateway that could previously require periodic restarts under sustained load
  • Key fixes: build import race during multi-dependency imports, task-management allocation rules, project re-creation error handling
  • New configuration: Events Gateway connection-pool tuning and workflow Kafka topic partitions
  • Designer, Renderer, and backend stability fixes plus security patches
  • No breaking changes; fully compatible upgrade from 5.9.2

What’s new? 🆕
Bug fixes and stability improvements across the platform.🔧 Platform improvements - Events Gateway stability, Designer and backend bug fixes, security patches.

Platform improvements

Platform Improvements

  • Real-time event delivery: fixed a Redis connection leak in the Events Gateway. Blocking reads now run on a dedicated connection pool with Redis Cluster support, eliminating the gradual connection buildup that could previously require periodic Events Gateway restarts. New tuning options are available — see the deployment guidelines.
  • Build import: fixed a race during multi-dependency imports where a transient database write conflict could silently drop a dependency’s build, causing runtime errors on substitution tags and enumerations for that build. Large imports may take slightly longer as a result.
  • Task management: deleting a swimlane allocation rule now removes only the targeted rule instead of clearing other rules along with it, and duplicate rules are no longer created when Save is clicked twice. Task views also no longer reset when the same view is open from different workspaces.
  • Projects: creating a project with the same name as a previously deleted project now returns a clear validation error instead of an internal server error.
  • Designer stability: fixed a freeze when opening Runtime after expanding a component’s Permissions section, and a pending AI UI-generation draft no longer locks the process diagram read-only.
  • Date Picker: the calendar now anchors correctly to its field above modals and while scrolling, and label, helper, and error text follow the themed padding.
  • Workflows: fixed a silent workflow freeze that could occur after a step exhausted its retries.
  • iOS renderer: the form background is now applied correctly on native iOS, matching the Android behavior. UI Flows on iOS also gain support for the additionalData object.

Last modified on July 30, 2026