MeshCore Observer - Changelog

Changes to the MQTT observer / bridge work that powers the firmware offered on flasher.meshcore.io. Newest changes are at the top.

Legend: New = new capability * Fix = bug fix * Improvement = enhancement to existing behavior * Internal = refactor / under-the-hood * Docs = documentation * Build / CI = build system & automation. [UP] Upstream sync marks a merge of the upstream MeshCore dev branch, which generally pulls in a new MeshCore software version.

June 2026

New - AlertReporter integration in MyMesh for Room Server _{2026-06-17 * 985fda13}
Improvement - Cumulative packet statistics (packets_sent / packets_received) added to the status message _{2026-06-16 * 8bf590b1}
Improvement - Packet path now published as an array of lowercase hex hop tokens _{2026-06-16 * e80a5ded}
CI - Sync documentation files to the flasher site from the build workflow _{2026-06-16 * 0844eee1}
CI - Reworked the GitHub Actions workflow for rolling releases _{2026-06-08 * 8fa38707}
New - Radio Watchdog feature for the MQTT observer _{2026-06-08 * 002e8d4a}
Improvement - Firmware build-date format and UTC timestamps (always emit +00:00) _{2026-06-06 * b45373a3}
CI - Build observer firmwares across 14 shards (up from 4) _{2026-06-06 * c29ede05}
CI - Cache PlatformIO toolchains in CI _{2026-06-06 * 6723776f}
CI - Automated firmware builds via GitHub Actions _{2026-06-06 * 981ed246}
[UP] Upstream sync - Synced with upstream MeshCore dev (brings MeshCore v1.16.0) _{2026-06-06 * dcc8f826}

May 2026

New - NZ Analyzer MQTT preset _{2026-05-25 * c0c845f5}
Internal - Region definition helpers; docs refresh _{2026-05-21 * 1296aa77}
Docs - Clarified WiFi configuration instructions (password optional for open networks) _{2026-05-21 * 38568eb1}
Improvement - Alert PSK access now restricted by sender timestamp _{2026-05-17 * f717d673}
Docs - Trimmed the fault-alert section in the implementation guide _{2026-05-17 * c41805d0}
Change - Renamed CLI command region bulk -> region def _{2026-05-16 * f3c6c348}
Internal - Timestamp handling in MQTTMessageBuilder _{2026-05-15 * 5a004f37}
New - T-LoRa V2.1-1.6 observer configurations _{2026-05-13 * 3cde9c10}
Fix * mqtt - Hardened the T-LoRa MQTT observer and trimmed MQTT task stack usage _{2026-05-13 * daf9ee47}
Internal - Alert PSK handling is now hex-only _{2026-05-12 * a8668840}
Improvement - Alert PSK accepts both base64 and hex _{2026-05-12 * a865d0a3}
New * cli - Bulk region hierarchy command _{2026-05-12 * 19f95001}
Improvement - Path hash size included in AlertReporter flood messages _{2026-05-11 * 6a3ed5d4}
New - T-Beam 1W observer support and partition handling _{2026-05-11 * fc99d6b3}
Improvement - Fault alerts gained region-based scoping and banned channels _{2026-05-11 * 16dc49fa}
New - Fault alerts for WiFi and MQTT disconnections _{2026-05-10 * 80355f32}
New - ColoradoMesh MQTT preset _{2026-05-10 * 08847342}
New - MQTT origin handling and a string utility _{2026-05-09 * b9f478c9}
Improvement - Repeat status included in the MQTT status message _{2026-05-09 * 303cf8c2}
Internal - MQTT origin now uses effective-origin logic _{2026-05-09 * ff031f48}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-05-09 * b37db668}
New * mqtt - T-LoRa V2.1-1.6 observer environments _{2026-05-02 * 78e1500a}

April 2026

Fix * mqtt - Corrected ColoradoMesh preset details _{2026-04-30 * 9f8f2d05}
New * platformio - PSRAM support for the TBeam Supreme SX1262 variant _{2026-04-28 * 0b05aede}
New * mqtt - ColoradoMesh preset _{2026-04-28 * 457edf69}
Fix * mqtt - Added missing MQTTBridge error codes _{2026-04-27 * 5a5e5373}
New * mqtt - EastIdahoMesh preset and richer CLI preset listing _{2026-04-25 * 753eb72f}
Fix * mqtt - Removed errant clearLastWill from PsychicMqttClient _{2026-04-25 * 32449e62}
Fix * mqtt - Restored origin field position in packet messages _{2026-04-25 * 673361b6}
Internal * mqtt - Reorganized packet message structure _{2026-04-25 * 8be27e4e}
Internal * mqtt - Default TX packet settings and documentation _{2026-04-25 * bfcf0176}
New * platformio - MQTT observer configs for the Heltec V4 expansion kit _{2026-04-24 * 0a4f002f}
New * cli - Radio watchdog command _{2026-04-24 * 7b21be3e}
Internal * mqtt - Standardized MQTT preset formatting _{2026-04-24 * 6211885c}
Internal * heltec_tracker_v2 - Aligned FEM with meshcore-dev KCT8103L _{2026-04-24 * 0d280257}
New * heltec_tracker_v2 - Restored LoRaFEMControl for GC1109 _{2026-04-24 * 255fce7f}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-04-24 * c1989d6f}
New * mqtt - chimesh and meshat.se presets _{2026-04-24 * ee4e39bc}
Fix * mqtt - Restored legacy outbox behavior for QoS0 async publishes _{2026-04-23 * 70722a58}
Fix * mqtt - Config marked dirty on setter calls; applied on connect/reconnect _{2026-04-23 * bb67b04e}
Improvement * mqtt - Better QoS handling and retry logic _{2026-04-23 * 7d0c5bce}
Internal * mqtt - Removed legacy mqtt.server/port/username/password CLI _{2026-04-21 * cfec3a5b}
Fix * mqtt - Legacy CLI aligned with slot prefs; restored isConfigValid _{2026-04-21 * ac2662c5}
Internal - PsychicMqttClient memory management; fixed-size callback arrays (v0.2.2) _{2026-04-21 * e9ff1ae0}
Improvement - MQTTBridge memory management, deferred logging, and QoS on publish _{2026-04-19 * 1ff9437f}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-04-19 * 563d9a7d}
Build - Disabled MQTT debug config for heltec_v4 builds _{2026-04-17 * 0ed29cb7}
Change - gitignore generated cert files; meshmapper timeout reset to 0 _{2026-04-17 * ab121708}
Change - MeshMapper preset update; removed generated cert files _{2026-04-17 * 074ac3e7}
Improvement - Critical heap monitoring and deferred TLS; hard restart on prolonged low memory _{2026-04-17 * f4a4fd7c}
Internal - Inline StaticJsonDocument allocations to reduce heap fragmentation _{2026-04-16 * ab6685a1}
New - nashmesh preset _{2026-04-14 * 13fbcd91}
Internal - MQTTMessageBuilder takes an external JsonDocument to cut stack usage _{2026-04-14 * ff2df2b7}
Internal - Removed the raw-data mutex in favor of core-specific staging _{2026-04-14 * 0c190dac}
Improvement - Radio watchdog avoids false alarms in quiet meshes _{2026-04-14 * 961f8293}
New - Radio diagnostics in MyMesh and CommonCLI _{2026-04-10 * 7e4f75c9}
Improvement - Internal heap stats in status messages _{2026-04-06 * 74e45a79}
New - TennMesh preset (fixed username/password auth) _{2026-04-05 * 3b46e9ee}
Docs - Single set radio command in the guide _{2026-04-04 * 1c524a93}
Internal - RX/TX packet logging controlled by MQTT settings (mqtt_rx_enabled pref) _{2026-04-04 * 47b632aa}
Improvement - Runtime-configurable MQTT slot limits based on PSRAM _{2026-04-04 * 258a0d72}
Improvement - Disconnect count/time diagnostics; per-variant WiFi TX power _{2026-04-02 * f0962eff}

March 2026

Improvement - Pre-allocated status JSON buffer in PSRAM; non-blocking NTP refresh _{2026-03-31 * cf4ec3f6}
New - WiFi disconnect diagnostics _{2026-03-31 * 0e82271e}
Fix - Audience command parsing handles the 9-character prefix _{2026-03-30 * a4324a83}
New - JWT audience configuration for custom slots _{2026-03-30 * 1263e71d}
Improvement - Partition-table guidance, merged-firmware flashing, embedded CA bundle _{2026-03-30 * da775bb2}
Docs - Removed obsolete MQTT design docs _{2026-03-28 * 384b80fc}
Docs - README links to the MQTT Implementation Guide _{2026-03-28 * ff49d28f}
New - Optional SNMP monitoring; concurrent MQTT slots 3 -> 5 _{2026-03-28 * 202acacf}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-03-28 * cc17c6b7}
New - meshomatic preset; disable slots with no server configured _{2026-03-27 * 3eacf56e}
Improvement - Pre-allocated JSON publish buffer in PSRAM _{2026-03-26 * 47dd2182}
New - reconnect() added to PsychicMqttClient _{2026-03-25 * 1b5884bd}
Improvement - Lightweight JWT reconnect (token refresh without full teardown) _{2026-03-25 * af52a989}
Internal - Full teardown/setup for JWT slots on reconnect _{2026-03-24 * e29c3d96}
Internal - Standardized MQTT slot log format _{2026-03-24 * 2bbca206}
New - cascadiamesh preset; keepalive configuration _{2026-03-24 * eaf5fcbc}
Improvement - Re-create JWT tokens when NTP reveals stale time _{2026-03-24 * 1c98d1c6}
Internal - Serial-availability checks before logging; circuit-breaker reconnect logic _{2026-03-23 * 4a60f166}
New - MeshRank preset (token auth, custom topic templates) _{2026-03-22 * 95874f0c}
Fix - Dynamic MQTTBridge allocation to avoid an ESP32 static-init crash _{2026-03-21 * c67fb12b}
Build - Build script: cached project config, artifact handling, ESP32 binary merge _{2026-03-21 * bf8a3a7a}
Improvement - Active connection slots limited by available memory (PSRAM-aware) _{2026-03-20 * 542f8a31}
New - Up to 3 configurable connection slots with built-in presets (LetsMesh US/EU, MeshMapper) _{2026-03-20 * b43e9618}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-03-20 * abe6e046}
Change - Stopped enabling MQTT analyzer servers by default in the example sketches _{2026-03-07 * 304719e8}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-03-06 * db8b4419}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-03-04 * 56ac85fa}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-03-03 * dcbbe5a6}

February 2026

[UP] Upstream sync - Synced with upstream MeshCore dev (Packet.cpp fix) _{2026-02-26 * 8b359452}
Internal - Multibyte path handling in Packet / MQTTMessageBuilder _{2026-02-25 * c8e220b1}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-02-25 * 51e9907f}
Change - Removed an unused preprocessor directive in MyMesh _{2026-02-25 * ee1a9b4a}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-02-24 * 397a48fc}
Improvement - Keepalive set to 45s to hold WebSocket connections through Cloudflare _{2026-02-16 * 2d4b7a64}
Build - heltec_v4 uses the heltec_v4_oled config for observer / room-server _{2026-02-16 * 88ce0d33}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-02-15 * e89cbee8}
Improvement - Simplified KISS noise-floor sampling _{2026-02-07 * 776131e2}
Fix * kiss_modem - Improved RX delivery and noise-floor sampling _{2026-02-06 * f445b5ac}
Improvement - Better NTP synchronization in MQTTBridge _{2026-02-06 * ba4243b5}
Improvement - WiFi management and fragmentation recovery _{2026-02-04 * 26aaace9}
New - PSRAM-backed memory management in MQTTBridge _{2026-02-04 * 1d0d33f9}
New - PSRAM diagnostics at MQTTBridge init _{2026-02-04 * abcfe609}
Build - mbedTLS configuration tuned across variants _{2026-02-04 * 21158e1f}
Fix * kiss - Periodic noise-floor calibration and AGC reset _{2026-02-03 * 0fb57033}
Fix - Memory use and status reporting in the MQTT bridge _{2026-02-02 * 498566e6}

January 2026

Internal - Clarified packet ownership / memory management in MQTTBridge _{2026-01-31 * f91b715e}
New - recv_errors in the CMD_GET_STATS packets response _{2026-01-29 * 019bbf74}
New - Receive-error tracking in Dispatcher and the message builder _{2026-01-29 * ee577314}
Fix - Display header include for heltec_v4 when DISPLAY_CLASS is set directly _{2026-01-27 * bb27cded}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-01-27 * d96c900f}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-01-26 * 2a84e58b}
Improvement - MQTTBridge memory usage and NTP handling _{2026-01-24 * 9e1ce23e}
Improvement - MQTTBridge status handling and publish logic _{2026-01-23 * c67c3295}
Internal - MQTTBridge connection handling for stability / responsiveness _{2026-01-22 * c055228c}
[UP] Upstream sync - Synced with upstream MeshCore dev _{2026-01-21 * 39ba020f}
Internal - MQTTBridge moved onto a FreeRTOS task for responsiveness _{2026-01-21 * ed27ebd0}
New - Configurable WiFi power-save mode preference _{2026-01-18 * 56f98997}
Internal - HeltecTrackerV2 / HeltecV4 init for GC1109 FEM _{2026-01-13 * 3eaca31f}
Docs - Owner configuration commands documented _{2026-01-12 * 58cdd60c}
Internal - Advert timer type consistency in MyMesh / SensorMesh _{2026-01-08 * ffa2a1ec}
New - Device metadata setup at bridge init / restart _{2026-01-03 * 2bd61c13}
Internal - Config validation allows optional username / password _{2026-01-03 * d1093b43}
Internal - JWTHelper / MQTTBridge efficiency cleanup _{2026-01-02 * e754317c}
Fix - MQTT connection stability and CLI responsiveness _{2026-01-02 * 98f176c7}
New - Neighbour-info sorting; MQTTBridge memory tuning _{2026-01-01 * 2185523d}

December 2025

Docs - WiFi power-save configuration documented _{2025-12-30 * 915f8b8e}
Internal - loadPrefs handles fresh installs and upgrades; migrates old prefs _{2025-12-30 * 8fa99611}
Improvement - Loop prioritizes radio RX for responsiveness _{2025-12-29 * 617e3b17}
Internal - Defer broker connect until WiFi + NTP ready; socket error logging _{2025-12-17 * 5d4f1e4c}
Improvement - Event-driven WiFi diagnostics and faster reconnect _{2025-12-12 * f7f1f838}
New - WiFi power-save mode configuration (none / min / max) _{2025-12-08 * 34c8bea7}
Fix - LPS22HB pressure now reported in hPa (was kPa) _{2025-12-08 * b91b854a}
New - WiFi TX power configuration (default 11 dBm) _{2025-12-07 * b82d7e43}
New - Default bridge settings for fresh installs; JSON reuse to avoid fragmentation _{2025-12-07 * 0b7c0888}
Improvement - MQTT debug macros check Serial to prevent hangs _{2025-12-06 * 3589043b}
Change - Removed redundant settings writes in savePrefs _{2025-12-04 * 03d519f8}
Build - Source filter for the Xiao S3 WIO variant _{2025-12-01 * 4f548ffc}

November 2025

New - adc_multiplier added to NodePrefs _{2025-11-23 * 8fbdc98a}
Change - IATA codes uppercased for consistency _{2025-11-23 * 5cadf3d9}
Change - CMD_GET_STATS split into core / radio / packet sub-types _{2025-11-17 * a3c9a073}
New - IP address shown for MQTT bridge devices in UITask _{2025-11-16 * 6b0c0e93}
New - T-Beam ESP32 support; error log when source = tx but TX logging is off _{2025-11-16 * 3c7ac9d1}
Build - MQTT_DEBUG enabled for several build configs _{2025-11-16 * 3726c472}
New - MQTT observer support for Room Servers _{2025-11-15 * 0cd0c36a}
Change - Switched MQTT configs to observer mode across variants _{2025-11-13 * 304a32db}
Internal - Client version string generation _{2025-11-13 * aa242e78}
Improvement - WiFi power-save + reduced TX power to limit LoRa interference; retry fix when no brokers connected _{2025-11-10 * bafa5426}
Internal - Statistics use binary frames instead of JSON _{2025-11-09 * 80d6dd43}
New - IATA validation blocks publishing without an IATA code _{2025-11-08 * 25d40f02}
Fix - Restored status-publish retry delay to prevent server spam _{2025-11-08 * 9e06fffc}
New - Added missing token-expiration / reconnection member variables _{2025-11-08 * 453c4184}
Change - Removed WiFi credentials from platformio.ini (use CLI / build flags) _{2025-11-08 * 921c6112}
Internal - MQTT preferences handling in CommonCLI _{2025-11-08 * 5a816be8}
Internal - formatStatsReply uses the new member variables _{2025-11-08 * c9aa536c}
Build - Explicit paulstoffregen/Time dependency to fix PIO compile _{2025-11-07 * 72ca50b9}
Build - Dropped the CayenneLPP patch script; updated ArduinoJson _{2025-11-07 * fef9225b}
Fix - Timezone command parsing lengths corrected _{2025-11-07 * b89ceeea}
New - Statistics commands and response handling in MyMesh _{2025-11-07 * df4dab85}
New - MQTT email support in CommonCLI / JWTHelper _{2025-11-06 * 1ed18f9e}
New - MQTT owner public-key support _{2025-11-06 * e5dbd56b}
Improvement - Status reporting and stats collection _{2025-11-01 * e4ff06cb}

October 2025

Improvement - MQTTBridge logging and connection handling _{2025-10-31 * 7df28557}
Improvement - Packet handling and memory management in MQTTMessageBuilder / MQTTBridge _{2025-10-31 * eee02025}
New - Memory monitoring and queue-size reporting _{2025-10-29 * e77beff0}
Internal - In-place base64url encoding; cleanup frees queued packets / timezone objects _{2025-10-27 * 1219668f}
Change - Defer MQTT connect until WiFi credentials are valid (requires reboot) _{2025-10-27 * 3851a84b}
Improvement - Dynamic build date and client versioning _{2025-10-26 * c23663da}
New - CLI config for mqtt.server / username / password / port _{2025-10-26 * eab70c3c}
New - Let's Mesh Analyzer integration _{2025-10-26 * a6453556}
New - Station G2 repeater bridge build target; docs _{2025-10-26 * f6a77d2f}
New - Timezone handling; raw-data packet output with proper hashes / timestamps _{2025-10-25 * 787af7b0}
New - Timezone support in the MQTT Bridge and CLI _{2025-10-25 * 26c4b970}
New - Initial MQTT Bridge implementation with WiFi CLI configuration _{2025-10-25 * efc15eb6}

22 KiB Raw Blame History