644: You Have to Invert

<ul> <li>Pre-show: <a href="https://store.ui.com/us/en/products/uvc-g4-doorbell-pro">G4 Doorbell Pro</a> <ul> <li><a href="https://www.doorbellmounts.com">Bespoke 3D-printed mount</a></li> <li><a href="https://amzn.to/43OuQTt">Fancy-schmancy Marco-recommended Flashlight</a></li> </ul></li> <li>What betas are we running? <ul> <li><a href="https://github.com/insidegui/VirtualBuddy">Virtual Buddy</a></li> </ul></li> <li>𝑥OS 26 &amp; Version Numbers <ul> <li>iOS Apps built against old SDKs get <code>19.0</code>; new ones get <code>26.0</code> (via <a href="https://mastodon.social/@_inside/114660064043135736">Gui Rambo</a>) <ul> <li><a href="https://developer.apple.com/documentation/foundation/processinfo"><code>ProcessInfo</code></a></li> <li><code>/System/Library/CoreServices/SystemVersionCompat.plist</code></li> </ul></li> <li>Tahoe returns <code>16</code> when reqiured for compatibility and <code>26</code> otherwise (via <a href="https://eclecticlight.co/2025/06/13/is-tahoe-really-...