BlackLine AR Multi-Tenant Platform — Scheduled Hotfix Deployment: 2026-May-21 (Release 3.21.0.4)
Scheduled Maintenance
Report for BlackLine
Completed
The scheduled maintenance has been completed.
In progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
Scheduled
Notification Type: Maintenance — Hotfix ReleaseScope: BlackLine AR Multi-Tenant PlatformComponent Affected: Remittance Processing Function App (internal background service)Release Version: 3.21.0.4 Deployment Window: 2026-May-21
Customer Impact:
None anticipated
Summary:
BlackLine will be deploying a targeted hotfix to the AR Multi-Tenant Platform on 2026-May-21. This release (3.21.0.4) is scoped exclusively to the Remittance Processing Function App and addresses a defect identified through internal monitoring.
Expected Impact
This is a microservice-only deployment. There will be no user-facing impact, no service interruption, and no degradation to the AR application, APIs, or user interface during the hotfix window. Users may continue to operate normally throughout the deployment.
Action Required:
No action is required from customers or end users.
Post-Deployment:
BlackLine SRE will continue to monitor platform health and remittance processing throughput following the release. Should any anomalies be detected, follow-up communications will be issued via the Trust portal.
Customer Impact:
None anticipated
Summary:
BlackLine will be deploying a targeted hotfix to the AR Multi-Tenant Platform on 2026-May-21. This release (3.21.0.4) is scoped exclusively to the Remittance Processing Function App and addresses a defect identified through internal monitoring.
Expected Impact
This is a microservice-only deployment. There will be no user-facing impact, no service interruption, and no degradation to the AR application, APIs, or user interface during the hotfix window. Users may continue to operate normally throughout the deployment.
Action Required:
No action is required from customers or end users.
Post-Deployment:
BlackLine SRE will continue to monitor platform health and remittance processing throughput following the release. Should any anomalies be detected, follow-up communications will be issued via the Trust portal.
This scheduled maintenance affected: Invoice-to-Cash - Sandbox (US, EU, AU) and Invoice-to-Cash - Production (US, EU, AU).