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CHESTER Changelog

This page tracks all notable changes across the CHESTER platform — including firmware, hardware, and catalog applications. Use the tabs below to filter by change category.

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General platform updates are listed here. For application-specific changelogs, see the Catalog Application Changelogs table at the bottom of this page.

General Platform Updates​

2026-03-31​

  • [FW/SDK] GNSS M8 initialization priority is now configurable via Kconfig (CONFIG_CTR_GNSS_M8_INIT_PRIORITY)

2026-03-11​

  • [Apps] CHESTER Counter and CHESTER Signal moved to _legacy — no longer actively maintained

2026-03-10​

  • [FW/SDK] Default LTE mode changed from lte-m to lte-m,nb-iot (automatic NB-IoT fallback enabled by default)

2026-03-06​

  • [Apps] CHESTER Serial added as a new catalog application — supports RS-485 (CHESTER-X2) and RS-232 (CHESTER-X12)

2026-02-11​

  • [Apps] CHESTER Motion added as a new catalog application — PIR-based motion detection with configurable sensitivity

2026-02-04​

  • [Apps] CHESTER Meteo M variant added — Modbus RTU sensor integration for meteorological data

2026-01-30​

  • [Apps] CHESTER Scale now supports LoRaWAN connectivity

2026-01-19​

  • [FW/SDK] Soft timeout support added for cloud send/downlink operations

2026-01-02​

  • [FW/SDK] Metrics API added for cloud subsystem — exposes internal counters and diagnostics

2025-12-08​

  • [Apps] CHESTER Clime v3.5.1 — new variants: SPS30 (particulate matter), Radon, TC (thermocouple); Cloud v2 protocol adopted

2025-12-03​

  • [Apps] CHESTER Serial v3.5.0 — LoRaWAN support with binary encoding; RS-232 variant added; Cloud v2 protocol

2025-11-28​

  • [Apps] CHESTER Meteo — soil sensor support added

2025-10-30​

  • [FW/SDK] Common aggregation data structure (ctr_data_aggreg) introduced — unified across all catalog apps

2025-10-27​

  • [FW/SDK] Configurable LTE attach policy added — allows fine-grained control over modem attach behavior

2025-10-24​

  • [Apps] CHESTER Control — LoRaWAN support added

2025-10-15​

  • [Apps] CHESTER wM-Bus — enroll/teach mode added; scan-all, shell send, manufacturer field, LED and cloud watchdog

2025-08-21​

  • [Apps] CHESTER Clime Radon variant merged into the main CHESTER Clime application

2025-07-14​

  • [Apps] CHESTER wM-Bus — initial release

2025-02-14​

  • [Apps] CHESTER Meteo — LoRaWAN support added

2025-01-31​

  • [FW/SDK] Nordic Connect SDK (NCS) updated to v2.9 — underlying platform upgrade for all CHESTER firmware

2025-01-20​

  • [Apps] CHESTER Clime — SPS30 particulate matter sensor subsystem added

2025-01-16​

  • [Apps] Multiple catalog apps — downlink watchdog added

Catalog Application Changelogs​

The table below links directly to the changelog section of each catalog application. The Last Updated column reflects when the changelog was last reviewed and updated in this documentation.

ApplicationChangelogLast Updated
CHESTER ClimeChangelog2026-04-01
CHESTER ControlChangelog2026-04-01
CHESTER CurrentChangelog2026-04-01
CHESTER MeteoChangelog2026-04-01
CHESTER MotionChangelog2026-04-01
CHESTER PushChangelog2026-04-01
CHESTER RangeChangelog2026-04-01
CHESTER ScaleChangelog2026-04-01
CHESTER SerialChangelog2026-04-01
CHESTER wM-BusChangelog2026-04-01