PlugStream is continuously updated to improve reliability, security, and user experience. This page provides a transparent record of every software and firmware release, including what changed and why it matters.
Latest
PlugStream Firmware 1.35.7
PlugStream Firmware 1.35.7
1.35.7Stable
Recommended for production deployments.
Tests: passed (459/459)
Firmware
August 3, 2026
Supported devices
#PlugStream 7
#PlugStream 22
PlugStream Firmware 1.35.7
Bug Fixes
evse: enforce CSMS availability on the runtime task to end state-machine race (32a2d2d)
websocket: serialise client rebuild to close reconnect race (fd2b3a6)
Performance Improvements
websocket: rate-limit heap diagnostics in WS ERROR handler (b0ef295)