Hacker News on 1 April 2021

• Latest EmDrive tests at Dresden University shows it does not develop any thrust
• Zero click vulnerability in Apple’s macOS Mail
• Pro1 X: A Linux smartphone with slideout keyboard
• Pfizer 91% effective in updated data, protective against South African variant
• Ask HN: Who is hiring? (April 2021)
• Show HN: Mail Studio – IDE for designing responsive emails
• Security Breach at US Universities
• A categorized list of all Java and JVM features since JDK 8 to 16
• LineageOS 18.1
• TSMC cancels chip price cuts and promises $100B investment surge