Hacker News on 19 June 2021

• Massachusetts health notifications app installed without users’ knowledge
• Life as a public school teacher in the San Francisco Bay Area in 2021
• State of the Windows: How many layers of UI inconsistencies are in Windows 10?
• North Carolina tells retired engineer he can't talk about engineering
• Safari 15 on Mac OS, a user interface mess
• How I Found a Vulnerability to Hack iCloud Accounts and How Apple Reacted to It
• Spectre mitigations murder userspace performance
• GAN Theft Auto [video]
• U.S. senators propose 25% tax credit for semiconductor manufacturing
• Mathematicians welcome computer-assisted proof in ‘grand unification’ theory