Somehow my fastlane upload pipeline stopped working, due to shadowing the system rsync binary.

I would have never guessed this root cause.

Historically it would take me hours of debugging and head banging, but Opus 4.5 just did it under one minute by itself.

Found it! You have a Homebrew rsync (3.4.1) that's being used instead of Apple's built-in openrsync:

  • which rsync → /Users/mango/tools/brew/bin/rsync (Homebrew 3.4.1)
  • /usr/bin/rsync → Apple's openrsync (protocol 29)

Xcode's export process is mixing these two incompatible versions, causing the "syntax or usage error" when they try to communicate.

Sequoia National Park

In the afternoon before our spontaneous road trip to Sequoia National Park, I discovered a bulge on the front right tire. I immediately called my repair shop Menlo Atherton Auto Repair, and thanks to Anthony, we were able to depart before noon the next day. We stayed for two nights in Three Rivers, close to the south entrance.

The view at our AirBnb in Three Rivers

The view at our AirBnb in Three Rivers

The first 20 miles entering the park are steep with numerous switchbacks. I drove much more slowly, but with frequent turnouts along the road, it was a pleasantly relaxing experience.

River near Sequoia National Park south entrance Sequoia trees with snow on the ground Sunset view in Sequoia National Park

Landscapes in the Sequoia National Park

Snow appeared once we entered the Giant Forest. On a holiday during winter, the parking space near General Sherman are accessible spots only. So we took the shuttle service instead. It ran quite frequently. On the way back to Three Rivers, we saw a spectacular sunset.

Changelog v2025.12

New umbrella releases

  • 2025-12-27 New Python package mdit-py-heading-attrs: a markdown-it-py plugin to add attribute support to headings..
  • 2025-12-27 New Python package mdit-py-figure: a markdown-it-py plugin to parse markdown paragraphs that start with an image into HTML <figure> elements.
  • 2025-12-27 goldmark-figure v1.4.0: Fix a bug where the last character in the end of the doc could be swallowed.

New linked posts

New short posts

2025 has been the weirdest year so far, and 2026 is going to be weirder.

I’m not prepared for this. But 2025 has truly taught me preparedness is overrated.

When there is a high mountain in front of you, just climb on with your heart. And I’m more ready than ever to continue climbing.

∞ Mango Baby Won Upgradies 2025 Best iOS App

Thank you Myke Hurley and Jason Snell for awarding Mango Baby the Best iOS App of 2025 🤯

Being an Upgrade listener for 11 years+, I can't express how honored I feel right now. Mango Baby was made from my heart when I was a new parent. And reading the overwhelmingly positive messages from my users, including Myke(!), has kept me going with this app. Thank you. ❤️

2024 was so painful, but looking back I’m quite glad it happened.

The spam volume I receive from Dun & Bradstreet is astonishing.

Changelog v2025.11

New umbrella releases

  • 2025-11-08 pyref.dev v2025.11: Added custom search engine instructions; support search symbols by packages; added new PyPI packages.

New linked posts

∞ Bambu Printer Poop Basket for P1S/P1P/X1C

Bambu Printer Poop Basket for P1S/P1P/X1C

Bambu Printer Poop Basket for P1S/P1P/X1C

This is an adaptation from this model but with hex holes for better visibility and filament savings.

Changelog v2025.10

New umbrella releases

  • 2025-10-15 pyref.dev v2025.10: Added Python 3.14 standard libraries; improved search; added new PyPI packages.
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