How is mainframe usage changing — and what does that tell us? Across the 2026 survey, respondents report moderate growth or stable mainframe usage, with a smaller group indicating declines. Several forward-looking questions were introduced in 2025 to enhance...
Maintaining and Modernizing Core Mainframe Platforms Continuing with questions introduced in 2025, the 2026 survey indicates that organizations deliberately maintain platform currency. Most respondents report operating on current or near-current versions of z/OS;...
Is the mainframe still central to business operations — and has that changed? The 2026 survey confirms that the mainframe remains central to enterprise operations. As in 2025, a majority of respondents report that more than half of their organization’s revenue or...