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Memfault Firmware SDK 1.19.0 (Build 12144)
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‎CHANGELOG.md‎

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@@ -6,14 +6,217 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to
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[Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [1.19.0] - 2025-01-10
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### 📈 Added
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- General:
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- Add an option to set the
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[Self Test component](https://docs.memfault.com/docs/mcu/self-test) output
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log level, `MEMFAULT_SELF_TEST_OUTPUT_LOG`, to control the verbosity of the
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Self Test output. Set it by selecting the Memfault Log macro to use, for
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example `#define MEMFAULT_SELF_TEST_OUTPUT_LOG MEMFAULT_LOG_DEBUG`. The
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default level is the same as before, `MEMFAULT_LOG_INFO`.
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- Add an
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[implementation of `memfault_reboot_reason_get()`](ports/stm32cube/u5/rcc_reboot_tracking.c)
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for the STM32U5xx series of MCUs, using the `RCC-CSR` register to determine
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the reset reason. Add the file to your project to make use of it!
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- Add an
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[implementation for flash-backed coredump storage](ports/stm32cube/u5/flash_coredump_storage.c)
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for the STM32U5xx series of MCUs, using the internal flash memory to store
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coredumps. Add the file to your project to make use of it!
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- Enable the MPU (Memory Protection Unit) in the
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[FreeRTOS QEMU example](examples/freertos/), to demonstrate Memfault's
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[MPU region analysis feature](https://docs.memfault.com/docs/platform/trace-details#mpu-analysis).
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This feature is enabled in a Memfault project by setting
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`#define MEMFAULT_COLLECT_MPU_STATE 1` in `memfault_platform_config.h`. The
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MPU registers are captured as part of a coredump, and Memfault will analyze
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the configuration and include the result in the Trace viewer.
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- Add a new reboot reason code, `kMfltRebootReason_TaskWatchdog`, for marking
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crashes due to a Task Watchdog. Memfault has a
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[built-in Task Watchdog system](https://github.com/memfault/memfault-firmware-sdk/blob/master/components/include/memfault/core/task_watchdog.h),
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and
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[Zephyr](https://docs.zephyrproject.org/latest/services/task_wdt/index.html)
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and
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[ESP-IDF](https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/wdts.html#task-watchdog-timer-twdt)
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both implement Task Watchdog systems.
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- FreeRTOS:
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- Add support for tracking per-thread stack usage in the
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[Memfault FreeRTOS port](ports/freertos/src/memfault_sdk_metrics_thread.c).
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This feature is enabled by default and can be disabled by setting
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`#define MEMFAULT_FREERTOS_COLLECT_THREAD_METRICS 0` in
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`memfault_platform_config.h`. The default threads monitored are `IDLE` and
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`Tmr Svc`.
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Threads are registered for tracking by defining
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`MEMFAULT_METRICS_DEFINE_THREAD_METRICS()` in the application. For example:
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```c
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//! Set the list of threads to monitor for stack usage. The metric keys must
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//! be defined in memfault_metrics_heartbeat_config.def, ex:
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//!
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//! MEMFAULT_METRICS_KEY_DEFINE_WITH_SCALE_VALUE(
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//! memory_main_pct_max, kMemfaultMetricType_Unsigned,
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//! CONFIG_MEMFAULT_METRICS_THREADS_MEMORY_SCALE_FACTOR
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//! )
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#include "memfault/ports/zephyr/thread_metrics.h"
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MEMFAULT_METRICS_DEFINE_THREAD_METRICS (
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// monitor the main thread stack usage
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{
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.thread_name = "main",
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.stack_usage_metric_key = MEMFAULT_METRICS_KEY(memory_main_pct_max),
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},
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// monitor the shell_uart thread stack usage
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{
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.thread_name = "shell_uart",
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.stack_usage_metric_key = MEMFAULT_METRICS_KEY(memory_shell_uart_pct_max),
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});
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```
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- Add example usage of per-thread stack usage support to the
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[FreeRTOS QEMU example](examples/freertos/) for the idle, timer service,
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console input, metrics, and heap tasks.
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- Add tracking of libc heap usage via the `memory_pct_max` metric to the
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[FreeRTOS QEMU example](examples/freertos/)
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- Zephyr:
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- Add support for tracking per-thread stack usage in the
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[Memfault Zephyr port](ports/zephyr/common/memfault_platform_metrics.c).
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This feature is enabled by default and can be disabled by setting
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`CONFIG_MEMFAULT_METRICS_THREADS=n`. The default threads monitored are
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`main` and `sysworkq`.
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Threads are registered for tracking by defining
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`MEMFAULT_METRICS_DEFINE_THREAD_METRICS()` in the application. For example:
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```c
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//! Set the list of threads to monitor for stack usage. The metric keys must
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//! be defined in memfault_metrics_heartbeat_config.def, ex:
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//!
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//! MEMFAULT_METRICS_KEY_DEFINE_WITH_SCALE_VALUE(
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//! memory_main_pct_max, kMemfaultMetricType_Unsigned,
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//! CONFIG_MEMFAULT_METRICS_THREADS_MEMORY_SCALE_FACTOR
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//! )
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#include "memfault/ports/zephyr/thread_metrics.h"
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MEMFAULT_METRICS_DEFINE_THREAD_METRICS (
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{
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.thread_name = "main",
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.stack_usage_metric_key = MEMFAULT_METRICS_KEY(memory_main_pct_max),
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},
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{
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.thread_name = "shell_uart",
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.stack_usage_metric_key = MEMFAULT_METRICS_KEY(memory_shell_uart_pct_max),
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});
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```
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- Update to support removal of the global `CSTD` compiler property (deprecated
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in Zephyr v3.7.0, and just removed in Zephyr `main`), when
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`CONFIG_MEMFAULT_COMPACT_LOG` is enabled. Thanks to
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[@fouge](https://github.com/fouge) for providing this fix in
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[#78](https://github.com/memfault/memfault-firmware-sdk/pull/78) !
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- Add a new built-in metric, `cpu_usage_pct`, which reports the percentage of
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the CPU used. This metric is enabled by default as part of the default set
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of metrics, controlled with `CONFIG_MEMFAULT_METRICS_DEFAULT_SET_ENABLE`.
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- For ARM targets implementing and enabling the MPU, automatically capture the
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and
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[analyze the MPU configuration](https://docs.memfault.com/docs/platform/trace-details#mpu-analysis)
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as part of a coredump. This can be controlled with the
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`CONFIG_MEMFAULT_COREDUMP_COLLECT_MPU_STATE` Kconfig option.
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- Add a new Kconfig option, `CONFIG_MEMFAULT_METRICS_HEARTBEAT_INTERVAL_SECS`,
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which should be used instead of
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`#define MEMFAULT_METRICS_HEARTBEAT_INTERVAL_SECS xxx` in
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`memfault_platform_config.h`. A build error will occur if the value is set
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in `memfault_platform_config.h` to enforce migrating the setting. Thanks to
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[@JordanYates](https://github.com/JordanYates) for reporting this feature
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request in
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[#80](https://github.com/memfault/memfault-firmware-sdk/issues/80)
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- ESP-IDF:
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- Add support for correctly marking crashes triggered due to a Task Watchdog.
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A test command, `esp_task_watchdog <cpuid>`, has been added to the
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[esp32 sample app](examples/esp32) to trigger a Task Watchdog fault on the
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specified core. Be sure to enable the Kconfig option
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`CONFIG_ESP_TASK_WDT_PANIC=y` to have the system panic when a Task Watchdog
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fault occurs. Memfault will capture and tag the fault appropriately, as for
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other fault types.
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- Add a new Kconfig option, `CONFIG_MEMFAULT_METRICS_HEARTBEAT_INTERVAL_SECS`,
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which should be used instead of
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`#define MEMFAULT_METRICS_HEARTBEAT_INTERVAL_SECS xxx` in
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`memfault_platform_config.h`. A build error will occur if the value is set
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in `memfault_platform_config.h` to enforce migrating the setting.
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- nRF-Connect SDK:
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- Add an implementation for reboot reason tracking on the nRF54Lx series of
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MCUs, using the `RESETREAS` register to determine the reset reason. This
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will be automatically enabled when building for an nRF54Lx series device
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(`CONFIG_SOC_SERIES_NRF54LX=y`).
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- Add example usage of per-thread stack usage support to the
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[nRF9160 example](examples/nrf-connect-sdk/nrf9160) for the idle, sysworkq,
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mflt http, WDT, and shell uart tasks.
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### 🐛 Fixed
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- Zephyr:
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- Fix the `MEMFAULT_METRICS_CPU_TEMP` Kconfig dependencies, to correctly check
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for presence of the DT `die-temp0` alias, and remove the dependency on
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`ADC`, which doesn't apply to all boards implementing a temp sensor. Thanks
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to [@JordanYates](https://github.com/JordanYates) for reporting this issue
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in [#79](https://github.com/memfault/memfault-firmware-sdk/issues/79) !
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### 🛠️ Changed
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- General:
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- The [`eclipse_patch.py`](scripts/eclipse_patch.py) utility
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`--memfault-sdk-dir` argument is now optional, and defaults to the parent
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directory of the script folder.
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- FreeRTOS:
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- Renamed the [FreeRTOS QEMU sample app](examples/freertos) heap metrics from
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`Example_HeapFreeBytes` and `Example_HeapMinFreeBytes` to
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`FreeRTOS_HeapFreeBytes` and `FreeRTOS_HeapMinFreeBytes`.
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- nRF-Connect SDK:
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- Update the [nRF91 sample app](examples/nrf-connect-sdk/nrf91) to only enable
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the UART log backend. Previously both the SHELL and UART log backends were
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enabled, resulting in duplicate log lines emitted to the console.
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- Update the [nRF91 sample app](examples/nrf-connect-sdk/nrf91) and the
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[nRF5x sample app](examples/nrf-connect-sdk/nrf5) to use the latest version
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of the nRF-Connect SDK, v2.9.0.
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- Zephyr:
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- Renamed the [QEMU sample app](examples/zephyr/qemu/) metric
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`main_thread_cpu_time_permille` -> `cpu_usage_main_pct`.
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## [1.18.0] - 2024-11-25
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### 📈 Added
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- General:
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- Add a new built-in metric, `uptime_s`, which reports the total uptime of the
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device in seconds. This metrics is enabled by default, and can be disabled
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device in seconds. This metric is enabled by default, and can be disabled
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with `#define MEMFAULT_METRICS_UPTIME_ENABLE 0` in
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`memfault_platform_config.h`.
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capture the core that triggered the fault, and if the non-faulting core is
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available for capture, it will be included as well.
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### 🛠️ Changed
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- ESP-IDF:
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- Updated the [ESP32 example](examples/esp32) to no longer read some
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non-volatile values into stack-allocated buffers. This reduces overall stack
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usage for the `main` thread by about 350 bytes.
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## [1.17.0] - 2024-11-14
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### 📈 Added

‎VERSION‎

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BUILD ID: 11548
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GIT COMMIT: 045729d525
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VERSION: 1.18.0
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BUILD ID: 12144
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GIT COMMIT: 24d5bb4ea2
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VERSION: 1.19.0

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