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Release Notes - Version 15.5

Written by Panickos Neophytou

Features

Server

  • Collapsible Scheduled Test Details on Agent View: Added a collapsible header on the agent Schedule Test tab showing template configuration, schedule, and a link to full test details.

Agent

  • IPv6 Dual-Stack Wired Testing: Wired tests in the eth0 namespace now support IPv6 alongside IPv4 on dual-stack networks.

Improvements

Server

  • Path Analysis Low-TTL Monitoring: Path Analysis intervals can be set as low as 1 second (previously 60 seconds minimum). A warning is shown when the interval is below 60 seconds.

  • Path Analysis Wi-Fi Test Organization: Path Analysis target dropdown groups entries by SSID; the header shows the SSID for Wi-Fi-associated tests.

Agent

  • Bookworm OS Upgrade Scheduling: Bullseye→Bookworm OS upgrades on Raspberry Pi agents run during an off-hours window (11 PM–2 AM Eastern).

  • Bookworm Upgrade Reliability: Improved apt download resilience on rate-limited networks and pinned RPi 3 kernel packages to prevent Wi-Fi driver breakage after upgrade.

Bug Fixes

Server

  • Path Analysis Historical Timeline Navigation: Fixed the timeline brush snapping back while historical Path Analysis data continued loading.

  • Dashboard UI Layout Regression: Fixed a Blueprint CSS load-order regression affecting dashboard layout.

Agent

  • DNS Test Accuracy on Bookworm Dual-Homed Agents: Restored wlan-first DNS preference for wireless DNS tests when no server is configured in the dashboard.

  • Wi-Fi Packet Capture on Bookworm: Fixed packet capture failing on Wi-Fi agents when setting monitor mode.

  • Agent Binary Recovery on Raspberry Pi: Fixed automatic binary recovery failing on read-only-root agents, which could fill the disk with error logs.

  • OS Upgrade False Failures: Fixed false-positive corruption detection blocking agent upgrades on Bookworm.

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