Microsoft PowerToys 0.102.3101 hotfix patches thumbnail stalls and Mouse Without Borders pairing

Microsoft shipped PowerToys 0.102.3101.0, a hotfix release that patches three distinct subsystems in its open-source Windows utility suite. The update addresses File Explorer thumbnail generation by improving recovery from stalled renderers, isolating concurrent SVG requests, and preserving UTF-8 encoding in STL filenames. It also fixes a pairing failure in Mouse Without Borders—Microsoft's keyboard-and-mouse sharing tool—that incorrectly displayed untrusted-signature errors on properly signed builds. Additionally, the release restores optional diagnostic event reporting that had been disrupted, updating the telemetry pipeline to version 2.0.5 without altering existing user privacy preferences.

The release continues PowerToys' cadence of incremental stability updates under the MIT license, with installers provided for both x64 and ARM64 architectures in per-user and machine-wide deployment modes. All changes are tracked through public GitHub pull requests, maintaining the project's transparent development model.

What changes in PowerToys 0.102.3101

• File Explorer thumbnails: Improved recovery logic for stalled thumbnail renderers, added isolation for concurrent SVG requests to prevent cross-request interference, and preserved SVG formatting compatibility along with UTF-8 encoding for STL filenames.
• Mouse Without Borders: Fixed pairing failures caused by an untrusted-signature validation error that specifically manifested in signed production builds, resolving a certificate-trust regression in the cross-device input tool.
• Telemetry restoration: Updated the diagnostic event pipeline to telemetry version 2.0.5 and restored optional diagnostic event reporting from both native (C++) and managed (.NET) code paths, explicitly without modifying existing user diagnostic-data preferences.
• Build artifacts: Published SHA-256 hashes for four installer variants: per-user and machine-wide packages for both x64 and ARM64 Windows platforms.

Why it matters

For Windows developers and power users who rely on open-source utilities, this release demonstrates Microsoft's continued maintenance commitment to PowerToys as a MIT-licensed project with public issue tracking and community contributions. The Mouse Without Borders fix is particularly relevant for multi-machine workflows common in developer environments, while the thumbnail improvements reduce friction for users working with SVG and 3D-printing STL assets. The transparent telemetry restoration—explicitly preserving opt-in preferences—offers a reference point for how Big Tech projects can balance diagnostic needs with user agency.