Apos Launches Preonic Rev 4, Bringing Massive Updates to a Cornerstone of the Custom Keyboard Movement

OAKLAND, Calif., Aug. 14, 2026 /PRNewswire/ -- Apos today announced the launch of the Preonic Rev 4, the newest generation of Jack Humbert's influential ortholinear keyboard and the most significant modernization of the platform in years. The Preonic traces its lineage to Jack Humbert,...