Seb Jachec's Avatar

Seb Jachec

@sebj.me

Mobile engineer @daybridge.com, previously Dyson ๐Ÿ“ South West England ๐ŸŒ https://bento.me/sebj

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28.04.2023
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Latest posts by Seb Jachec @sebj.me

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Little Finder Guy!

06.03.2026 19:44 ๐Ÿ‘ 91 ๐Ÿ” 5 ๐Ÿ’ฌ 6 ๐Ÿ“Œ 3

Interesting, Iโ€™m at 149 charge cycles, 100% health on my Air which Iโ€™ve had since launch (I guess not exactly apples to apples). Avoiding constantly topping it up on my wireless charger this time as it seemed to destroy my 16 Pro, but otherwise just charging from 20% to 100%-ish usually

01.03.2026 12:47 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Whatโ€™s the battery cycle count in settings?

01.03.2026 12:04 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Why Jony Ive put buttons in the electric Ferrari
Why Jony Ive put buttons in the electric Ferrari YouTube video by PRNDL by Jordan Golson

The new Ferrari Luce interior by Loveform (Jony Ive, Mike Matas & co.) looks amazing as usual. Damn www.ferrari.com/en-EN/auto/f...

09.02.2026 13:35 ๐Ÿ‘ 7 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1
Aeronaut on macOS 26 Tahoe

Aeronaut on macOS 26 Tahoe

Aeronaut on macOS 15 Sequoia

Aeronaut on macOS 15 Sequoia

Excited to announce that Aeronaut is now live in the Mac App Store! ๐ŸŽ‰

After two years of tinkering, polishing, and obsessing over the little things, itโ€™s finally here!

If youโ€™re looking for a Bluesky app designed and built for macOS, take a lookโ€ฆ

apps.apple.com/us/app/aeronauโ€ฆ

27.01.2026 15:31 ๐Ÿ‘ 162 ๐Ÿ” 39 ๐Ÿ’ฌ 11 ๐Ÿ“Œ 13
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Universal Links At Scale: The Challenges Nobody Talks About A deep dive into the practical challenges of implementing, testing, and maintaining Universal Links at scale

Think Universal Links are a "set it and forget it" feature? Think again. ๐Ÿ› ๏ธ

Scaling deep linking infrastructure comes with a unique set of headaches that most teams aren't prepared for. I wrote about my experience navigating these hidden challenges.

albertodebortoli.com/2026/01/15/u...

16.01.2026 09:11 ๐Ÿ‘ 3 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Tech analyst Dan Wang reflects on the Chinese Communist Party vs. Silicon Valley, AI and manufacturing, and how China and the US are building the future (Dan Wang)

Main Link | Techmeme Permalink

02.01.2026 12:55 ๐Ÿ‘ 5 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1

Meanwhile @telemetrydeck.com measures more like 60%, which would be about expected for a major iOS release four months in bsky.app/profile/tele...

09.01.2026 16:27 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Vince Zampella, head of Respawn Entertainment and known for working on the Call of Duty, Titanfall, Star Wars Jedi, and Battlefield franchises, has died at the age of 55.

22.12.2025 20:00 ๐Ÿ‘ 310 ๐Ÿ” 90 ๐Ÿ’ฌ 13 ๐Ÿ“Œ 101
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Backing up Spotify We backed up Spotify (metadata and music files). Itโ€™s distributed in bulk torrents (~300TB). Itโ€™s the worldโ€™s first โ€œpreservation archiveโ€ for music which is fully open (meaning it can easily be mirro...

some fun stats here annas-archive.li/blog/backing...

22.12.2025 14:41 ๐Ÿ‘ 12 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 4

@killedbygoogle.com

15.12.2025 17:52 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

This is fucking terrifying.

It's not a new concern, but good to be reminded that your entire digital life can be annihilated in an instant with no recourse

cloudisland.nz/@parisba/11571...

13.12.2025 09:39 ๐Ÿ‘ 5 ๐Ÿ” 2 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1

We forked swift-build to give AI agents structured build data. Tested on @wikipedia.org iOS and Tuist: agents identify bottlenecks, parallelization issues, and warnings.

Open-sourced as Argus. Install via mise, set XCBBUILDSERVICE_PATH.

tuist.dev/blog/2025/11/2...

29.11.2025 14:51 ๐Ÿ‘ 3 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Embark Studios commissioned Danny and the team at Noclip to document and film the development of ARC Raiders, and its complete concept reboot, over the past several years, which in hindsight feels like an incredibly prescient thing to do

https://www.youtube.com/watch?v=tdorU3sjt_0

21.11.2025 21:06 ๐Ÿ‘ 1 ๐Ÿ” 1 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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Roadmap for improving the type checker Roadmap for improving the type checker In the past, we've released various "manifestos" and "roadmaps" to discuss planned improvements to the language. This post is also a roadmap of sorts, but instead, the focus is on the implementation rather than user-visible language changes (however, I will briefly mention a few potential language changes at the very end). Specifically, I'm going to talk about some work we are doing to improve expression type checking in the Swift compiler. This includes c...

Nice writeup about plans wrt. the #swift typechecker by @slava@mathstodon.xyz

30.10.2025 22:47 ๐Ÿ‘ 12 ๐Ÿ” 5 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

I havenโ€™t looked into this, but couldnโ€™t you export logs via OSLogStore and attach them to whatever user feedback mechanism you have in-app?

04.10.2025 08:19 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Worth considering @pointfree.coโ€™s SQLiteData (github.com/pointfreeco/...) as a very nice GRDB-based alternative to SwiftData, with CloudKit sync and excellent docs. Too many gotchas and sharp edges with SwiftData

29.09.2025 22:17 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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The iPhone 17 Pro camera review is here! www.lux.camera/iphone-17-pr...

25.09.2025 19:09 ๐Ÿ‘ 68 ๐Ÿ” 8 ๐Ÿ’ฌ 3 ๐Ÿ“Œ 2

Youโ€™ll want the `widgetAccentedRenderingMode`
modifier. Thereโ€™s example images of the different options partway down here - wwdcnotes.com/documentatio...

20.09.2025 18:31 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
ๆœ€่ฝๅ‹ธ็š„ไธ€ไปฃ๏ผŒไฝ†ๆ˜ฏ...iPhone 17 ็ณปๅˆ—้ฆ–็™ผ้ซ”้ฉ—
ๆœ€่ฝๅ‹ธ็š„ไธ€ไปฃ๏ผŒไฝ†ๆ˜ฏ...iPhone 17 ็ณปๅˆ—้ฆ–็™ผ้ซ”้ฉ— iPhone 17 ็ณปๅˆ—็š„้ฆ–็™ผ้ซ”้ฉ—ๅฝฑ็‰‡ไพ†ไบ†๏ผ่ฌ่ฌๆฒ’ๆƒณๅˆฐ๏ผŒ้€™ๆฌกๆœ€ๆœ‰็”จ็š„ๅ‡็ดšๆ˜ฏๆ•ฃ็†ฑ...... ๅธŒๆœ›ๅคงๅฎถๅ–œๆญก๏ผ

I don't know what he's saying at all, but I'm blown away by the production value of this iPhone 17 review. youtu.be/su9aqYLcAhw

18.09.2025 11:45 ๐Ÿ‘ 4 ๐Ÿ” 2 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Finally time to part ways with my Vision Pro, but somehow I feel like this is going to be a challenge to sell ๐Ÿ˜…

18.09.2025 12:16 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Yes, you do

11.09.2025 07:34 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
When should you use an actor? I enjoy technical conversations that happen across different blogs. One in particular that I revisited recently was a very thought-provoking exchange on enum vs struct. The whole thing is worth your t...

I get this question a lot. So I finally sat down and tried to really think about it.

When should you use an actor?

www.massicotte.org/actors

06.09.2025 11:34 ๐Ÿ‘ 18 ๐Ÿ” 6 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0

16 Pro
348 cycles
91% health

03.09.2025 14:51 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
sosumi.ai - Apple Docs for LLMs sosumi.ai provides Apple Developer documentation in an AI-readable format by converting JavaScript-rendered pages into Markdown.

If you're a Swift dev, you know LLMs often struggle. This is in part because of the lack of open source code and also because the docs are hidden behind JavaScript gates that LLMs can't easily access. So someone smart made this. I love it.

29.08.2025 18:17 ๐Ÿ‘ 16 ๐Ÿ” 4 ๐Ÿ’ฌ 4 ๐Ÿ“Œ 0
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Understanding and Improving SwiftUI Performance New techniques weโ€™re using at Airbnb to improve and maintain performance of SwiftUI features at scale

We wanted to share a valuable article we came across: medium.com/airbnb-engin...

Itโ€™s a practical examination on ways to write performant SwiftUI code (in this case by leveraging Equatable to avoid unnecessary view re-renders), and provides examples that were clear and concise. Worth the read!

26.08.2025 16:32 ๐Ÿ‘ 3 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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iOS Version History Chart See how long iOS was in beta for every version in its history

Doesnโ€™t seem too far out from usual if you filter by *.0 on this chart www.thinkybits.com/blog/iOS-ver...

26.08.2025 11:26 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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UKโ€™s wasted wind power laid bare by new Octopus tracking tool Britain wasted ยฃ649m already this year powering down wind farms as there is not enough grid capacity to send renewable energy where it is needed, utility finds

๐Ÿ‘€

www.rechargenews.com/markets-and-...

04.07.2025 19:55 ๐Ÿ‘ 13 ๐Ÿ” 5 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1
from gremllm import Gremllm

# Be sure to tell your gremllm what sort of thing it is
counter = Gremllm('counter')
counter.value = 5
counter.increment()
print(counter.value)  # 6?
print(counter.to_roman_numerals()) # VI?

from gremllm import Gremllm # Be sure to tell your gremllm what sort of thing it is counter = Gremllm('counter') counter.value = 5 counter.increment() print(counter.value) # 6? print(counter.to_roman_numerals()) # VI?

The is diabolical... a Python object that hallucinates method implementations on demand any time you call them, using my LLM Python library github.com/awwaiid/grem...

04.07.2025 17:49 ๐Ÿ‘ 175 ๐Ÿ” 27 ๐Ÿ’ฌ 9 ๐Ÿ“Œ 8

Nice! I guess thatโ€™s one of the rare forward-compatible improvements you can ship now without needing to compile against the new SDKs, if itโ€™s just button labels being updated

11.06.2025 22:39 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0