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January 2026

General​

  • New self-serve customers signing up on app.nrfcloud.com are now automatically redirected into the Memfault experience after signup, streamlining onboarding for nRF Cloud customers.
  • When using Bulk Device Upload, CSV device upload error messages are now clearer when specified hardware versions don't yet exist.

Device SDK Updates​

MCU: [1.35.0] - 2026-01-29, [1.34.0] - 2026-01-26, and [1.33.0] - 2026-01-07​

See the full MCU SDK changelog.

  • ESP8266 support has been removed from the SDK; Memfault's cloud no longer processes ESP8266 data. Contact support if you need migration assistance.
  • Added Ambiq Apollo4/Apollo510 coredump storage via MRAM, enabled with CONFIG_MEMFAULT_COREDUMP_STORAGE_AMBIQ_MRAM=y
  • Added ESP-IDF support for chunked OTA HTTP downloads to reduce RAM usage (automatically enabled with CONFIG_ESP_HTTPS_OTA_ENABLE_PARTIAL_DOWNLOAD=y)
  • Added memfault_zephyr_port_http_periodic_upload_enable() to toggle periodic uploads at runtime, and memfault_zephyr_port_http_periodic_upload_enabled() to query upload state

CLI: [1.7.1] - 2026-01-20​

See the full CLI changelog.

  • Update urllib3 dependency to >=2.6.3 to address this security disclosure.