Linux 7.0 Better Supporting The Logitech MX Master 4 Bluetooth Mouse

Logitech MX Master 4 Gets Major Linux Boost with HID++ Support in Kernel 7.0

In a significant win for Linux enthusiasts and power users, the Logitech MX Master 4 wireless mouse has just received a major upgrade in the open-source ecosystem. With the recent integration of HID++ support in the Linux kernel 7.0, users can now unlock the full potential of this premium $120 USD peripheral—but only when connected via Bluetooth.

The Logitech MX Master 4, already a favorite among professionals for its ergonomic design and advanced features, now joins the ranks of Logitech peripherals that fully support high-resolution scrolling on Linux. This enhancement is particularly exciting for users who demand smooth, precise, and responsive navigation in their workflows.

What’s New in Linux 7.0?

The latest kernel update, Linux 7.0, includes a set of HID (Human Interface Device) subsystem fixes that enable non-standard HID features for the MX Master 4. Specifically, the update activates Logitech’s proprietary HID++ protocol, which allows the mouse to communicate advanced features to the operating system. This includes high-resolution scrolling, a feature that has long been a hallmark of Logitech’s premium mice but was previously limited on Linux.

High-resolution scrolling is a game-changer for users who navigate through long documents, spreadsheets, or codebases. It provides a smoother and more precise scrolling experience compared to traditional scrolling, making it an essential feature for productivity-focused users.

Bluetooth Only for Now

It’s important to note that this new functionality is only available when the MX Master 4 is connected via Bluetooth. Unfortunately, users who rely on Logitech’s Bolt receiver are still out of luck, as the Bolt interface lacks a Linux driver. This limitation means that the full potential of the MX Master 4 can only be realized with a direct Bluetooth connection.

A Closer Look at the MX Master 4

For those unfamiliar with the device, the Logitech MX Master 4 is a high-end wireless mouse designed for professionals and power users. It features:

• 8 customizable buttons for enhanced productivity.
• A 200–8000 DPI sensor for precise tracking across various surfaces.
• A reported 70-day battery life, ensuring minimal downtime.
• A sleek, ergonomic design that reduces strain during long work sessions.

Priced at around $120 USD, the MX Master 4 is positioned as a premium peripheral, and this new Linux support only adds to its appeal for open-source enthusiasts.

How It Works

The HID++ support for the MX Master 4 was implemented by adding new device IDs to the Linux kernel. This change was deemed safe for merging into the current kernel cycle, ensuring a smooth rollout for users. The update was included in the Linux 7.0-rc5 release, which is set to be finalized next weekend.

Why This Matters

For years, Linux users have faced challenges when it comes to peripheral support, particularly with high-end devices like the MX Master 4. This update is a testament to the growing maturity of the Linux ecosystem and the dedication of the open-source community to bridging the gap between proprietary hardware and open-source software.

With high-resolution scrolling now available on the MX Master 4, Linux users can enjoy a desktop experience that rivals—and in some cases, surpasses—that of other operating systems. This is especially significant for professionals who rely on Linux for their daily workflows, as it eliminates one of the last barriers to seamless productivity.

Looking Ahead

While the current update is a major step forward, there’s still room for improvement. The lack of support for Logitech’s Bolt receiver remains a limitation, and many users are hopeful that future updates will address this issue. Additionally, as more manufacturers adopt open standards and collaborate with the open-source community, we can expect even greater compatibility and functionality for Linux users in the years to come.

Final Thoughts

The integration of HID++ support for the Logitech MX Master 4 in Linux 7.0 is a win for the open-source community and a testament to the power of collaboration. Whether you’re a long-time Linux user or considering making the switch, this update ensures that you can enjoy the full capabilities of one of the best mice on the market.

So, if you’re a proud owner of the MX Master 4 or planning to get one, make sure to update to Linux 7.0 and experience the difference for yourself. Happy scrolling!

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