Microsoft and Adobe have partnered to integrate the Adobe Acrobat PDF rendering engine directly into the Edge browser, replacing the existing PDF engine. "This will give users a unique PDF experience that includes richer rendering for more accurate colors and graphics, improved performance, strong security for PDF handling, and greater accessibility — including better text selection and read-aloud narration. This phased rollout will give businesses ample time to test the new rendering engine with PDF documents used in their operations