Compulab IOT-GATE-IMX8PLUS 2031¶

9.5.1 - 2026-09-28¶

• Network Protocol: 1.17

• Identifier Dictionary: 17

Fixed¶

• Firmware version parsing error causing Skyresponse transmitter update to fail

9.5.0 - 2026-09-21¶

• Network Protocol: 1.17

• Identifier Dictionary: 17

This version significantly improves time sync accuracy throughout the network and
adds support for uplink quality test and multicast write.

Salto users: Note that the Salto sync interval has been increased from 1 minute to around 60 minutes.

Added¶

• Added properties:

  • 0x830A - Run Uplink Quality Tests

  • 0x8865 - Salto Sync

  • 0x8414 - Advertisement Counter

  • 0x8102 - Reset Cause

• Added events:

  • 0x8102 - Reset Cause (reported after a reset)

• Updated MT2 to version 2.5.0

  • Added timeSync and prevTime to timestamped data

  • Added multicast-write and multicast-write-decoded

• Updated Management API to version 10

  • Added multicast-write

• Generate errorcode 19 (WatchdogReset) when a device watchdog reset is detected

Removed¶

• Removed reporting of cpu-temperature

Changed¶

• Changed time sync interval from 24 to 1 hour. Removed all log output by printing to log with DBG level instead of INFO.

• Salto sync interval has been increased from 1 minute to around 60 minutes. Explicit sync can be requested using the salto-sync property.

Fixed¶

• Prevent “false” time jump warnings during startup while waiting for NTP sync.

9.4.0 - 2026-06-18¶

• Network Protocol: 1.16

• Identifier Dictionary: 16

Added¶

• Skyresponse support (BETA)

• Wait for NTP sync at startup before starting BLE GW. Wait up to 120 seconds.

• Check NTP sync status on time sync

• Added time jump monitoring. Generate warning if detected. Trigger time sync if time jump is detected.

• On time sync, print time drift (ms and ppm) for previous period (24h) to log

• Added properties:

  • 0x8012 - Device Management Enabled

  • 0x9817 - Skyresponse Config (BETA)

  • 0x8106 - CPU Temperature

Fixed¶

• Fixed JSON encoding for default-pins-state

9.3.0 - 2026-03-13¶

• Network Protocol: 1.16

• Identifier Dictionary: 14

Added¶

• Added backfill support

• Updated MT2 to version 2.4.0

  • New reporting topics: timestamped, timestamped-decoded

  • New request topics: ack, ack-decoded

• Support for optional secureFlags and networkId in storage-mode-event

9.2.2 - 2026-02-27¶

• Network Protocol: 1.15

• Identifier Dictionary: 13

Fixed¶

• Fixed issue where MBE backend API failed to load. This bug was present in versions 9.0.0 to 9.2.1.

9.2.1 - 2026-02-13¶

• Network Protocol: 1.15

• Identifier Dictionary: 13

Fixed¶

• Fixed incompatibility issue in secure mode.

9.2.0 - 2026-02-10¶

This release should not be used, due to an incompatibility issue with older extender versions in secure mode.

• Network Protocol: 1.15

• Identifier Dictionary: 13

Added¶

• Allow firmware download of block sizes up to 160 byte (typically 128 or 160)

• Added 128-byte block broadcast support

  • New optional FLAGS.B128 bit in 0x8124 - Start Firmware Broadcast (explicit override)

  • New optional b128 JSON property added to start-firmware-broadcast (v13)

• New property:

  • 0x8011 - Device Management Connected

Changed¶

• Do not abort firmware update (download) unless firmware is confirmed not found

• Made 0x8860 - Salto Config (salto-config) readable (apiKey redacted)

• Increased SHIP (Salto Space) HTTP request timeout from 15s to 30s

• Changed green LED indication

  • LED OFF: BLE GW init not complete

  • LED ON: BLE GW init complete, management connected

  • LED BLINK: GLE GW init complete, management disconnected

• Increase default firmware broadcast interval to 2000 ms in secure mode (still 500 ms in legacy mode)

Removed¶

• Removed Salto property:

  • 0x8861 - Salto Endpoint (BETA)

Fixed¶

• Reduce chance of firmware updates failing with error 250

• Throttling firmware block traffic correctly for all blocks sizes during firmware update (download)

• Set scan-mode when extender connects to the same route (typically after a reset)

9.1.1 - 2025-12-02¶

• Network Protocol: 1.14

• Identifier Dictionary: 12

Changed¶

• Increase MaxCount from 256 to 10000 in Salto requests

9.1.0 - 2025-11-25¶

• Network Protocol: 1.14

• Identifier Dictionary: 12

Added¶

• Support for device alias

  • Salto door/user’s name used as alias

• Added errorcode/warning 2000 (Battery Low, <= 20%)

Changed¶

• Improved timer accuracy

Removed¶

• Removed Salto properties:

  • 0x8862 - Salto Rssi Threshold (BETA)

  • 0x8863 - Salto Office Mode Rssi Threshold (BETA)

  • 0x8864 - Salto Office Mode Rssi Hysteresis (BETA)

• Removed loading of rssi threshold and hysteresis from Salto door general purpose field

• Removed Salto office mode support

• Salto NEAR feature currently requires nearRssiThreshold >= -40 (rssi-throttling-mode)

Fixed¶

• During firmware download large firmware blocks were sent too quickly

9.0.0 - 2025-10-28¶

• Network Protocol: 1.13

• Identifier Dictionary: 12

Added¶

• MT2 2.3.0

  • Add certificate authentication. New config properties: certificate, privateKey.

  • New config property: keepAlive. Default value: 15.

  • New config property: ignoreRevocationErrors. Default value: true.

• New property: 0x8311 - Shutdown

• Add unconnected devices to network-tree property. Bump to version 3.

• Add support for writing abort (2) to firmware-update-control. This will delete the downloaded .raucb/.mender file.

• LED indication on LED 1 for BLE dongle status

• Add Management connection watchdog to MtLinuxArm (24 hours timeout)

Changed¶

• Update Yocto to latest version (5.0 Scarthgap)

• Allow devices without children to join at the same route without causing changes to the tree.

  • A node restarting will now connect/reconnect faster and the whole network does not need to start scanning.

• Update MQTTnet library

• Diagnostics 1.1.0

  • Don’t set retain flag when publishing

• Change loglevel to Debug for Salto sync

Removed¶

• Remove unused/experimental backends: AWS, Azure, GCP and EclipseHono

• Don’t enforce TLS 1.2 for MQTT secure connections (let OS decide)

Fixed¶

• Factory reset will now reinstall the current firmware image (if found) in addition to delete config files.

8.0.0 - 2025-06-25¶

This release adds support for secure mode.

• Network Protocol: 1.12

• Identifier Dictionary: 11

Added¶

• Secure mode support

  • New network-mode: Discovery (4)

  • Network time support

• Root Certificates management

• Salto Systems integration (BETA)

• MT2 Backend API 2.2.0

• Improvements to CLI (v0.3)

• Support for new storage mode advertisement format with adv. name: MTxxxx / MTxxxxS

• Uplink RSSI (rssi) added to device objects in network-tree property value. Version bumped to 2.

• Throttle storage-mode-event at 30s interval. This limits upstream backend traffic.

• New properties:

  • 0x800A - Provision

  • 0x800B - Network ID

  • 0x800C - Network Fingerprint

  • 0x800D - Provision Legacy

  • 0x8104 - Time

  • 0x8030 - Add Root Certificate

  • 0x8031 - Remove Root Certificate

  • 0x8032 - Root Certificates

  • 0x8033 - Root Certificate Fingerprints

  • 0x8860 - Salto Config (BETA)

  • 0x8861 - Salto Endpoint (BETA)

  • 0x8862 - Salto Rssi Threshold (BETA)

  • 0x8863 - Salto Office Mode Rssi Threshold (BETA)

  • 0x8864 - Salto Office Mode Rssi Hysteresis (BETA)

Changed¶

• Zero-length byte array property/measurement values are translated to JSON null instead of an empty string (“”)

Fixed¶

• Downstream throughput performance improvements

• Don’t crash if backend config is unsupported or invalid. Backend config will be ignored in this case.

7.1.0 - 2024-09-23¶

• Network Protocol: 1.11

• Identifier Dictionary: 10

Added¶

• New power saving network modes:

  • Hourly Scan (2)

  • Daily Scan (3)

• New CLI command (v0.2):

  • list network-interfaces

• MT2 Backend API 2.1.0:

  • New optional extenderId parameter added to property read/write

• LED indication while upgrading. LED 2 will now blink red while upgrade is installing.

Changed¶

• Status code 5 (No Route) is returned if the gateway is unable to route read/write property request to unconnected device. Previously status code 2 (Device not found) was returned.

• Updated to latest .NET 8 runtime (8.0.8)

Fixes¶

• Fixes and improvements in BLE GW firmware (1.2.1).

7.0.0 - 2024-06-14¶

Initial release.

• Network Protocol: 1.11

• Identifier Dictionary: 10