This article contains the Provider Connectivity Assurance Controlled Availability release notes. This on-prem software is updated continuously, giving customers access to the latest features and improvements. Software updates are released every few weeks.
As an alternative to the Controlled Availability release, on-prem customers who prefer the most stable Generally Available release can find the 25.7 software release notes here. The Generally Available release contains a fixed feature set and receives updates for security and bug fixes.
For customers who prefer a cloud-based offering instead of on-prem software, the latest Cloud content release notes are available here.
Use Case | Supported in Cloud Continuous Delivery Release | Supported in On Prem Continuous Delivery Controlled Availability Release | Supported in 25.7 Generally Available Release |
|---|---|---|---|
CNC Integration | Yes | Yes | Yes |
Sensor Management for Assurance Sensors | Partial - Sensor Agents and Sensor Capture only. Hardware Sensors require 24.09 legacy orchestrator | Yes | Yes |
Segment Routing - Controlled Availability | Yes | Coming in 2026 | No |
PCA UE - Controlled Availability | Yes | Coming in 2026 | No |
Fault ingestion | No | Yes | No |
Telemetry - IOS XE and IOS XR | Yes | Yes | Yes |
Telemetry - 3rd Party (requires development quote from CX or partner) | Yes | Yes | Yes |
Week of April 17, 2026
Software Versions and Upgrade Procedures
PCA Platform Software - Deployer: 25.7.465
Capture: 25.7.21
Sensor Collector: Sensor Collector Upgrade Procedure Version: 0.702.0-fips
Telemetry Collector: Telemetry Collector Upgrade Procedure
Fixes and Enhancements
Provider Connectivity Assurance Platform
ID | Type | Area | Description |
|---|---|---|---|
1214021598662930 | Fix | UI - Distribution | Clicking settings in Distribution widgets no longer causes the application to break |
1213961610574141 | Fix | UI - Inventory - Sessions | Alert chart in session details now displays severities correctly on both the sidebar and alert tab |
1213865799097727 | Fix | UI - Inventory - Sessions | Alert timeseries labels are now hidden correctly in compact mode |
1210868245217378 | Fix | UI - Data | Metric decimal count now matches the values provisioned in the settings page |
Week of April 10, 2026
New Features
Event Explorer feature provides users with a capability to view Faults in the PCA. For more information see: Event Explorer
Gateway sensor collectors now allow TLS certificates to be configured via the User Interface for easier management and deployment. For more information see: Configure Sensor Collector
Software Versions and Upgrade Procedures
PCA Platform Software - Deployer: 25.7.460
Sensor Collector: Sensor Collector Upgrade Procedure Version: 0.700.0-fips - New this release, upgrade required
Telemetry Collector: Telemetry Collector Upgrade Procedure Version: ca (0.94.0) - New this release, upgrade required
Fixes and Enhancements
Telemetry Collector and Sensor Collector
ID | Type | Area | Description |
|---|---|---|---|
N/A | Enhancement | Telemetry Collector | Enhanced logging in Telemetry Collector |
N/A | Fix | Telemetry Collector | KPI Name corrected in telemetry logs |
N/A | Enhancement | Sensor Collector | Gateway sensor collectors now require TLS certificates to be configured via the UI and deployed automatically rather than being manually configured via docker compose or helm configuration. |
N/A | Documentation | Sensor Collector | Deploying Sensor Collector in Kubernetes, Upgrading Sensor Collector and Configure Sensor Collector have been updated |
N/A | Documentation | Telemetry Collector | Deploying Telemetry Collector in Kubernetes, Upgrading Telemetry Collector and Configure Telemetry Collector have been updated |
N/A | Fix | Telemetry Collector | KPI name now displaying correctly in logs |
Provider Connectivity Assurance Platform
ID | Type | Area | Description |
|---|---|---|---|
1213718948381748 | Fix | UI - Widget - Distribution | Header selection in distribution widgets now correctly selects all available values |
1213417709414382 | Fix | UI - Widget - Baseline | Improved wording for baseline percentage binning labels |
1211443152320689 | Fix | UI - Dashboard | Improved dashboard loading performance |
1213316659369716 | Fix | UI - Onboarding | Error message text now displays correctly across all browser environments |
1207591315602757 | Fix | UI - Widget - Aggregate | Aggregate widgets now display all expected values even when partial failures occur |
1213307801774644 | Fix | UI - Sensors - Collectors | Resolved duplicate telemetry collectors appearing in the list view |
1213640027840616 | Fix | Reports | Scheduled reports now execute reliably as configured |
1213504308864857 | Fix | Reports | Monthly reports now display the correct next scheduled date |
1213353350437519 | Fix | Reports | Scheduled reports to user groups now trigger consistently |
1213200611455537 | Fix | UI - Notification Centre | Deleted notifications are now properly removed from the Notification Centre |
1213591936383823 | Enhancement | Platform | Updated accept terms URI for improved user experience |
1213591674807877 | Enhancement | Platform | Updated SMTP status URI for improved configuration |
1213887697927606 | Fix | Analytics Pipeline Data Streaming | Fixed an issue that sometimes prevented dynamic metadata fields from being populated in metrics. This issue was also causing streamed metrics via the Kafka export feature to be excluded in the output streams. |
N/A | Fix | UI - Dashboard | Fixed an issue that was preventing the live data tracing from receiving metric data in dashboard and inventory views |
N/A | Fix | Platform | Fixed an issue that was preventing WebHDFS from being able to access files in a dual stack environment |
Fix | Platform | Discrepancies in VNF alert data towards OSS | |
1213824126129011 | Known Issue | Platform | There is a known issue where upon a node restart, the embedded-cluster-operator pod may hang. To workaround the issue, delete any leases the pod is blocked on. |
1212531289902460 | Enhancement | Installation | Added a new Access Type to the deployer for kube-vip support |
Known Limitations
Limitation | Description | Workaround |
|---|---|---|
(Provider Connectivity Assurance Installation) | Dual stack deployments failed preflight checks when nameserver in /etc/resolve.conf resolves to an IPv6 address. | This can be worked around by putting a placeholder IPv4 address to pass the preflight check. |
Week of March 23, 2026
New Features
Exporting of session performance metrics and OTEL events now allows for filtering by metadata category values or OTEL resource attributes.
Fixes and Enhancements
Deployers: 25.7.423
Telemetry Collector: ca (0.84.0)
Sensor Collector: 0.677.0-fips
Week of February 23, 2026
New Features
Kafka Exporter
Exporters enable real-time streaming of performance metrics, OTEL events, and threshold alerts to external systems via Kafka integration. Available exclusively for on-prem deployments.
This feature provides the following capabilities:
Tenant Admins can configure up to five Kafka exporters, each supporting up to 100 export topics.
Users can stream session performance data, fault management events, and alerts to their Kafka clusters with configurable authentication and heartbeat monitoring for service status verification.
For more information, refer to the following articles:
Installation Improvements for Integration
Improved installation steps in the admin console enhance the setup experience for on-prem deployments with streamlined configuration processes.
This improved the following installation steps:
IP address configuration
DNS support
Streamlined CNC/NSO integration configuration
For more information, refer to the following articles:
Installation on Virtual Machines
Troubleshoot On-Prem Installation Failures
Fixes and Enhancements
Deployers: 25.7.364
Telemetry Collector 25.07_0.79.0
Sensor Collector: 0.659.0
ID | Type | Area | Description |
|---|---|---|---|
N/A | Fix | Telemetry Collector | Extended authentication token expiration beyond 14 days |
N/A | Fix | Sensor Collector | Enabled sensor collector to start successfully when using an HTTP proxy |
N/A | Fix | Sensor Collector | Enabled sensor collector to connect to PCA installs using generated certificates without manual CA configuration |
N/A | Enhancement | Sensor Collector | Enabled FIPS compliance for sensor collector |
N/A | Fix | Sensor Collector | Prevented creation of duplicate sensor collectors during updates |
N/A | Enhancement | Platform | Implemented various performance and scale improvements |
N/A | Enhancement | UI | Applied various UI improvements throughout the platform |
Week of December 7, 2025
Deployer: 25.7.223
Capture: Not applicable - no On-Prem support
Telemetry Collector 25.07_0.61.0
New Features
Support for exporting fault monitoring data (collected from alerts generated by Provider Connectivity Assurance) onto an external Kafka
More information can be found here → Exporting to an external KafkaConfiguration option to disable Sensor Management for use cases not requiring Assurance Sensors
Introduction of an automatic IP discovery and new loadbalancer option as part of the deployment configuration
Not currently compatible with Sensor Management - customers using Sensor Management should continue using manual IP configuration
Week of November 9, 2025
Deployer: 25.7.164
Capture: Not applicable - no On-Prem support
Telemetry Collector 25.07_0.56.0
New Features
Support for Air-Gapped environments
Support for exporting performance monitoring data (collected from either Telemetry Collectors or Assurance Sensors, or both) onto Kafka
Available Features
The following features have been available since July 2025:
Lab-sized deployments
Support for 500 Sessions and/or Telemetry Objects
Small-sized deployments
Support for 10,000 Sessions and/or Telemetry Objects
Deployable to a single Virtual Machine or multi-node hardware configuration
Support for Fault ingestion
Support for Telemetry ingestion via Telemetry Collector and Sensor Collector
Support for Assurance Sensors: Sensor Control, SFPs, and modules
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