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Do not forget, after upgrading to a new platform version, always ensure that your installed component versions match the versions specified in the release notes. To verify this, navigate to FlowX.AI Designer > Platform Status.
Platform Status screen showing component versions

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Upgrade overview

FlowX.AI 5.1.6 is a maintenance release for the 5.1.x LTS line. This release can be deployed as a direct upgrade from 5.1.5 with no breaking changes or configuration updates required.

Upgrade Path

5.1.5 → 5.1.6: Direct upgrade with no breaking changes

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Component versions

Component5.1.65.1.55.1.45.1.3
process-engine9.72.79.72.59.72.29.70.1
admin9.72.49.72.29.72.09.70.2
designer9.164.29.163.129.163.69.163.0
cms-core9.43.59.43.39.43.19.41.1
scheduler-core9.32.49.32.29.32.09.30.1
events-gateway9.33.49.33.29.33.09.31.2
notification-plugin9.36.49.36.29.36.09.34.1
document-plugin9.41.59.41.39.41.19.39.1
task-management-plugin9.40.49.40.29.40.09.38.2
data-search9.29.49.29.29.29.09.27.1
audit-core9.37.49.37.29.37.09.35.1
advancing-controller9.32.39.32.19.32.09.30.2
integration-designer9.56.39.56.29.56.09.54.1
application-manager9.79.69.79.39.79.19.77.2
runtime-manager9.79.69.79.39.79.19.77.2
data-sync9.30.49.30.29.30.19.28.1
authorization-system9.40.39.40.29.40.19.38.1
nosql-db-runner9.28.49.28.29.28.09.26.1

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Renderers

Component5.1.65.1.55.1.45.1.3
@flowx/angular-sdk9.164.29.163.129.163.69.163.0
@flowx/angular-theme9.164.29.163.129.163.69.163.0
@flowx/angular-ui-toolkit9.164.29.163.129.163.69.163.0
@flowx/react-sdk9.164.29.163.129.163.69.163.0
@flowx/react-theme9.164.29.163.129.163.69.163.0
@flowx/react-ui-toolkit9.164.29.163.129.163.69.163.0
@flowx/core-sdk9.164.29.163.129.163.69.163.0
@flowx/core-theme9.164.29.163.129.163.69.163.0
iOS renderer9.0.119.0.109.0.99.0.8
Android renderer9.0.79.0.79.0.79.0.6

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Plugins

Component5.1.65.1.55.1.45.1.3
ocr-plugin1.0.171.0.171.0.171.0.17
reporting-plugin0.2.30.2.30.2.30.2.3

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AI Platform

Component5.1.65.1.55.1.45.1.3
ai-assistant9.2.99.2.99.2.89.2.7
di-platform9.3.19.3.19.3.19.3.1
ai-platform-ai-developer9.4.29.4.29.4.29.4.2
ai-platform-connected-graph9.4.29.4.29.4.29.4.2
ai-platform-knowledge-graph9.4.29.4.29.4.29.4.2
ai-platform-agents9.4.29.4.29.4.29.4.2
ai-platform-conversations9.4.29.4.29.4.29.4.2
ai-platform-models9.4.29.4.29.4.29.4.2
ai-platform-tenants9.4.29.4.29.4.29.4.2
ai-platform-planner9.4.29.4.29.4.29.4.2
ai-platform-ai-analyst9.4.29.4.29.4.29.4.2
ai-platform-ai-designer9.4.29.4.29.4.29.4.2
ai-platform-agent-builder9.4.29.4.29.4.29.4.2
ai-platform-binaries9.4.29.4.29.4.29.4.2

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Embedded components

Embedded components are third-party software packaged with the platform.
ComponentDescription
SpiceDBAn open-source, database-backed system for managing fine-grained authorization. Provides a relationship-based access control model (ReBAC) and powers complex authorization at scale.
SpiceDB OperatorA Kubernetes operator that automates the deployment, configuration, and lifecycle management of SpiceDB instances. It streamlines operational tasks such as upgrades, scaling, and configuration changes.
DgraphA distributed, open-source graph database designed for high-performance queries and real-time graph processing. Supports GraphQL natively and is optimized for horizontal scalability.
For previous FlowX.AI releases, please refer to the Release Notes overview.

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Deployment notes

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Standard deployment

This maintenance release follows standard FlowX.AI deployment procedures with no special considerations:
  1. Update container images to 5.1.6 versions listed in the table
  2. Deploy services using your standard deployment process
  3. Verify deployment via FlowX Designer > Platform Status

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Configuration changes

This release introduces optional environment variables for the process engine retry mechanism. These are not required — defaults work for most deployments.

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Process engine — retry configuration (optional)

The following optional environment variables configure the exponential backoff with Equal Jitter strategy used for optimistic locking retries:
Environment VariableDescriptionDefault ValueComponent
FLOWX_RETRY_MAX_RETRIESMaximum retry attempts (total = max + 1 including initial)9process-engine
FLOWX_RETRY_BASE_DELAY_MSInitial backoff delay in milliseconds10process-engine
FLOWX_RETRY_MAX_DELAY_MSMaximum backoff delay cap in milliseconds200process-engine
No required configuration changes No database migrations No breaking changes Compatible with existing 5.1.5 processes and configurations

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What’s included in 5.1.6

This maintenance release includes:
  • Bug fixes for React renderer: modals, sliders, datepicker, selectors, disabled state, and accessibility
  • Bug fixes for Angular + React renderer: card accordion height, focus outlines, button icon layout
  • Bug fix for process engine advancing getting stuck on pod crash
  • Bug fix for connection leak in application-manager export/import
  • Improvement for configurable retry mechanism with exponential backoff
  • Security patches across all platform components
For detailed information on all changes, see the FlowX.AI 5.1.6 Release Notes.
FlowX.AI Version3rd Party DependencySupported Versions
5.1.6Keycloak26+
5.1.6Kafka3.8 - 3.9
5.1.6PostgreSQL16 - 17
5.1.6Oracle Database21c, 23ai
5.1.6MongoDB7 - 8
5.1.6Redis7.4 - 8.0
5.1.6Elasticsearch8 - 9
5.1.6Angular (Web SDK)19.2
5.1.6React (Web SDK)18.x
Last modified on March 16, 2026