https://mqttx.app/blog Product news, release notes, and practical guides for MQTTX Desktop, CLI, and Web. en https://mqttx.app/blog/mqttx-1-13-2-released https://mqttx.app/blog/mqttx-1-13-2-released Mon, 26 Oct 2026 00:00:00 GMT MQTTX 1.13.2 uses MQTTX Agent to automate MQTT tests, compare messages, and investigate failures, with independent Dashboard views for telemetry. Release Notes https://mqttx.app/blog/introducing-mqttx-ai-agent-skill https://mqttx.app/blog/introducing-mqttx-ai-agent-skill Sun, 20 Sep 2026 00:00:00 GMT MQTTX CLI now ships with an Agent Skill that teaches AI coding agents to run MQTT checks, benchmarks, and simulations correctly. Product https://mqttx.app/blog/mqttx-1-13-1-released https://mqttx.app/blog/mqttx-1-13-1-released Sun, 20 Sep 2026 00:00:00 GMT MQTTX 1.13.1 adds a CLI Agent Skill, MQTT 5.0 subscription user properties, and improvements to data export, rendering security, and everyday debugging. Release Notes https://mqttx.app/blog/mqttx-1-13-0-released https://mqttx.app/blog/mqttx-1-13-0-released Tue, 03 Feb 2026 00:00:00 GMT This version introduces the new Payload Inspector feature, including Diff View and JSON Tree View, making message debugging more intuitive and efficient. Release Notes https://mqttx.app/blog/mqttx-1-12-1-release-notes https://mqttx.app/blog/mqttx-1-12-1-release-notes Tue, 14 Oct 2025 00:00:00 GMT MQTTX 1.12.1 brings SCRAM authentication, XSS vulnerability fixes, 2025 AI model updates, and major stability enhancements for secure, reliable performance. Release Notes https://mqttx.app/blog/mqttx-1-12-0-release-notes https://mqttx.app/blog/mqttx-1-12-0-release-notes Thu, 03 Jul 2025 00:00:00 GMT MQTTX 1.12.0 lands with Copilot 2.0 (Gemini 2.5 Pro, Claude-4, GPT-4.1, o3/o4-mini, Azure OpenAI) and native MCP integration for instant AI workflows. Release Notes https://mqttx.app/blog/enhancing-mqtt-toolbox-with-ai-capabilities https://mqttx.app/blog/enhancing-mqtt-toolbox-with-ai-capabilities Wed, 09 Apr 2025 00:00:00 GMT MQTTX, the most popular MQTT client toolbox, has enhanced its capabilities in 1.12.0 beta by integrating the Model Context Protocol (MCP) into its Copilot AI feature. Product https://mqttx.app/blog/mqttx-1-11-1-release-notes https://mqttx.app/blog/mqttx-1-11-1-release-notes Thu, 19 Dec 2024 00:00:00 GMT This release enhances MQTTX's visualization capabilities with improved Topic Tree features and real-time traffic monitoring. Release Notes https://mqttx.app/blog/mqttx-1-11-0-release-notes https://mqttx.app/blog/mqttx-1-11-0-release-notes Tue, 29 Oct 2024 00:00:00 GMT This release introduces Topic Tree visualization, a powerful new way to organize and monitor MQTT topics hierarchically. Release Notes https://mqttx.app/blog/mqttx-1-10-1-release-notes https://mqttx.app/blog/mqttx-1-10-1-release-notes Wed, 24 Jul 2024 00:00:00 GMT This release focuses on enhancing the user experience with several key updates. The highlight is the one-click installation for MQTTX CLI via the Desktop application. Release Notes https://mqttx.app/blog/mqttx-1-10-0-release-notes https://mqttx.app/blog/mqttx-1-10-0-release-notes Mon, 17 Jun 2024 00:00:00 GMT This release significantly enhances file management and configuration capabilities, particularly in the CLI version. Release Notes https://mqttx.app/blog/mqttx-1-9-10-release-notes https://mqttx.app/blog/mqttx-1-9-10-release-notes Mon, 15 Apr 2024 00:00:00 GMT This release features crucial Faker.js updates, better diagnostic insights for disconnections and subscription issues, and new CLI and UI enhancements. It aims to simplify user workflows and enhance troubleshooting. Release Notes https://mqttx.app/blog/how-to-publish-and-receive-protobuf-messages-within-mqtt https://mqttx.app/blog/how-to-publish-and-receive-protobuf-messages-within-mqtt Mon, 25 Mar 2024 00:00:00 GMT This article will demonstrate how to define, publish, and receive Protobuf messages with MQTTX client. Guides https://mqttx.app/blog/mqttx-1-9-9-release-notes https://mqttx.app/blog/mqttx-1-9-9-release-notes Mon, 04 Mar 2024 00:00:00 GMT MQTTX 1.9.9 is now available with critical updates: improved connection events, CBOR data format support, customizable log levels for debugging, and enhanced UI flexibility. Release Notes https://mqttx.app/blog/mqttx-1-9-8-release-notes https://mqttx.app/blog/mqttx-1-9-8-release-notes Mon, 15 Jan 2024 00:00:00 GMT MQTTX 1.9.8 is now available, introducing a new CLI Debug Mode. This feature greatly enhances developers' troubleshooting and analysis capabilities. Release Notes https://mqttx.app/blog/mqttx-1-9-7-release-notes https://mqttx.app/blog/mqttx-1-9-7-release-notes Mon, 18 Dec 2023 00:00:00 GMT A significant highlight of this release is the introduction of MQTTX Copilot, our innovative MQTT AI assistant, specially designed to offer crucial convenience to users. Release Notes https://mqttx.app/blog/mqttx-v-1-9-6-release-notes https://mqttx.app/blog/mqttx-v-1-9-6-release-notes Sat, 30 Sep 2023 00:00:00 GMT This update prioritizes the improvement of connection protocols and user interface for a better experience. Release Notes https://mqttx.app/blog/demonstrate-mqtt-5-0-features-using-mqttx-cli https://mqttx.app/blog/demonstrate-mqtt-5-0-features-using-mqttx-cli Thu, 07 Sep 2023 00:00:00 GMT This blog will introduce each new feature introduced in 5.0 in turn, and use the MQTTX CLI tool to demonstrate how we can use these features in EMQX. Guides https://mqttx.app/blog/mqttx-1-9-5-released-json-message-highlighting-and-more https://mqttx.app/blog/mqttx-1-9-5-released-json-message-highlighting-and-more Thu, 17 Aug 2023 00:00:00 GMT In this version, we have mainly enhanced the error message prompts for JSON syntax in the desktop client and added support for JSON highlighting in messages. Release Notes https://mqttx.app/blog/mqttx-v-1-9-4-release-notes https://mqttx.app/blog/mqttx-v-1-9-4-release-notes Wed, 19 Jul 2023 00:00:00 GMT This update brings significant improvements to user experience, including more efficient support for Protobuf message transmission and optimized automatic update functionality. Release Notes https://mqttx.app/blog/mqttx-1-9-3-introduces-powerful-iot-scenario-data-simulation-feature https://mqttx.app/blog/mqttx-1-9-3-introduces-powerful-iot-scenario-data-simulation-feature Mon, 29 May 2023 00:00:00 GMT MQTTX 1.9.3 introduced a valuable enhancement to its command-line client: It empowers developers to simulate IoT scenario data, catering to their specific testing needs. Release Notes https://mqttx.app/blog/mqttx-v-1-9-2-release-notes https://mqttx.app/blog/mqttx-v-1-9-2-release-notes Thu, 27 Apr 2023 00:00:00 GMT v1.9.2 supports the output mode of the command-line tool, allowing users to customize data pipelines according to their needs and thus more conveniently and efficiently process output data. Release Notes https://mqttx.app/blog/mqttx-v-1-9-1-release-notes https://mqttx.app/blog/mqttx-v-1-9-1-release-notes Thu, 16 Feb 2023 00:00:00 GMT MQTT X 1.9.1 has significantly reduced CPU and memory usage by 80% compared to the previous version, resulting in greatly optimized overall performance and reduced risk of system crashes. Release Notes https://mqttx.app/blog/mqttx-v-1-9-0-release-notes https://mqttx.app/blog/mqttx-v-1-9-0-release-notes Tue, 15 Nov 2022 00:00:00 GMT Recently, MQTT X 1.9.0 has been released. For the command-line client, the bench command has been added to help users easily complete MQTT service performance testing. Release Notes https://mqttx.app/blog/mqttx-v-1-8-3-release-notes https://mqttx.app/blog/mqttx-v-1-8-3-release-notes Tue, 01 Nov 2022 00:00:00 GMT Recently, MQTT X released the latest version 1.8.3, The main optimization of function usage and the various problems encountered in the process of use are fixed. Release Notes https://mqttx.app/blog/powerful-and-easy-to-use-mqtt-5-command-line-tool https://mqttx.app/blog/powerful-and-easy-to-use-mqtt-5-command-line-tool Thu, 11 Aug 2022 00:00:00 GMT In order to provide more choices and convenience for users to implement MQTT connection tests, MQTT X v1.8.0 adds the command line as a form of interaction - the MQTT X CLI. Product https://mqttx.app/blog/mqttx-v-1-7-1-release-notes https://mqttx.app/blog/mqttx-v-1-7-1-release-notes Fri, 28 Jan 2022 00:00:00 GMT MQTT X v1.7.1 release note: Support MQTT 5.0 subscription Identifier, expose more MQTT 5.0 properties on display. Release Notes https://mqttx.app/blog/mqttx-v-1-7-2-release-notes https://mqttx.app/blog/mqttx-v-1-7-2-release-notes Fri, 28 Jan 2022 00:00:00 GMT MQTT X v1.7.2 release note: Shared subscriptions support topic color markers, add more ARM builds. Release Notes https://mqttx.app/blog/mqttx-v-1-7-0-release-notes https://mqttx.app/blog/mqttx-v-1-7-0-release-notes Tue, 04 Jan 2022 00:00:00 GMT Recently, MQTT X v1.7.0 was officially released, from this version, MQTT X will further support many new features of MQTT 5.0. Release Notes https://mqttx.app/blog/mqttx-script-function-tutorial https://mqttx.app/blog/mqttx-script-function-tutorial Mon, 01 Mar 2021 00:00:00 GMT MQTT X has added a script function since v1.4.2. This article will introduce the use of the script function with two simple instances. Guides https://mqttx.app/blog/mqttx-v-1-4-2-release-notes https://mqttx.app/blog/mqttx-v-1-4-2-release-notes Wed, 27 Jan 2021 00:00:00 GMT MQTT X v1.4.2 released with script features, automatically append a timestamp to Client ID and optimize some functions. Release Notes https://mqttx.app/blog/mqttx-v-1-3-1-release-notes https://mqttx.app/blog/mqttx-v-1-3-1-release-notes Thu, 21 May 2020 00:00:00 GMT MQTT 5.0 client tool - MQTT X v1.3.1, which adds an enable item of strictly validating certificate and supports for more attributes of MQTT 5.0. Release Notes https://mqttx.app/blog/mqttx-v1-3-0-was-officially-released-an-elegant-cross-platform-mqtt5-desktop-test-client https://mqttx.app/blog/mqttx-v1-3-0-was-officially-released-an-elegant-cross-platform-mqtt5-desktop-test-client Thu, 19 Mar 2020 00:00:00 GMT MQTT X is a cross-platform MQTT 5.0 desktop test client provided by the world's leading open source IoT middleware provider EMQ , which supports macOS, Linux, Windows. The user interface of MQTT X simplifies the operation logic of the page with the pattern of chatting software. Users can quickly create multiple simultaneous-online MQTT clients to test the connection/publish/subscribe functions of MQTT/TCP, MQTT/TLS and other MQTT protocol features. Release Notes