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6.21.26 | Loupe raises app permissions awareness SMPTE makes standards free F 15 Strike Eagle II reverse project seeks DOS test pilots
This is a recap of the top 10 posts on Hacker News on Jun 21, 2026.
Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights
(00:00) - Intro
(00:20) - Loupe – A iOS app that raises awareness about what native apps can see
(01:38) - SMPTE Makes Its Standards Freely Accessible
(03:09) - DOS Game "F-15 Strike Eagle II" reversing project needs DOS test pilots
(04:33) - Renting a sewing machine from the library
(05:51) - Developers don't understand CORS (2019)
(07:19) - Slow breathing modulates brain function and risk behavior
(08:32) - Your brain was never designed…
The skinny
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