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1.12.0
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@memfault-bot memfault-bot released this 25 Sep 19:42
1.12.0
47d69c5

📈 Added

  • ESP-IDF:

    • The SDK now supports being installed as an
      ESP Component from the Espressif
      registry, by adding the following lines to an esp-idf project's
      idf_component.yml manifest:

      dependencies:
  memfault/memfault-firmware-sdk:
    version: "1.12.0"

    • Heap Allocation Tracking is
      now enabled by default for ESP-IDF projects, controlled with the Kconfig
      symbol CONFIG_MEMFAULT_HEAP_STATS. The Memfault Trace UI will show
      information about the most recent heap allocations for malloc() calls.

🛠️ Changed

  • ESP-IDF:

    • The Memfault Build ID will be
      applied by default, controlled by the Kconfig setting
      CONFIG_MEMFAULT_USE_MEMFAULT_BUILD_ID. This is only valid for ESP-IDF
      versions >= 4.2.5 , and will cause a build error on older versions,
      requiring it to be set to n. Updating to this version of the SDK will
      require removing the similar logic in the project's CMakeLists.txt
      file (a build error will occur if both are present).

    • The Memfault Core Vital for
      Periodic Connectivity
      will now count failures to sync Memfault data if the HTTP connection cannot
      be established, but WiFi connectivity is available. This can occur when the
      WAN connection is down but the access point is still up, or if there is an
      external DNS failure. Previously this was not counted as a failure.

  • Zephyr

    • The Memfault HTTP client, enabled with Kconfig
      CONFIG_MEMFAULT_HTTP_ENABLE, requires POSIX_API to be enabled on newer
      versions of Zephyr. Previously, not explicitly enabling POSIX_API would
      result in a build error. Update it to be enabled by default in the Zephyr
      SDK, via Kconfig imply POSIX_API.

    • Zephyr 3.7.0+ requires enabling CONFIG_MBEDTLS_SHA1 when using Zephyr's
      mbedtls implementation. Memfault added a build-time check for this setting
      in Memfault SDK 1.11.2, but that check would also trip when not using
      Zephyr's mbedtls implementation. Update the build check to be more precise.

  • nRF-Connect SDK:

    • Minor changes to provide compatibility with NCS versions > 2.7.0, which
      target a Zephyr fork that is compatible with 3.7.0 but provides a
      "development" version number, 3.6.99.

🐛 Fixed

  • ESP-IDF:

    • Corrected a theoretical integer overflow issue in the demo CLI crash
      command, detected by static analysis tools. The impacted function was and is
      exclusively called with an argument of 10, so this issue was not
      exploitable in practice.
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