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Posts by Janusz Polowczyk

Sonic Fauna v1.3.0 - Quick Start
Sonic Fauna v1.3.0 - Quick Start YouTube video by Sonic Fauna

Sonic Fauna v1.3.0 is out! Now featuring full track and stem export! Drop a DM here or in our Discord if you're interested in trying it out.

Here is a Quick Start Tutorial I put together for the new version.

#sound #music #indiedev #sounddesign #noise #experimental

youtu.be/NKIt1aDpEIo?...

3 weeks ago 5 1 0 0
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From Any to Type Safety: Revisiting Sentry’s Metrics API How deep does Swift’s type inference actually go? Digging into Sentry’s Metrics API reveals a compiler that’s more capable than it’s given credit for.

Had an awesome meetup @sentry.io in their Vienna office and decided to write a small post about one of the topics that was discussed. Really impressed by what I saw at Sentry and their strong engineering culture! januszpxyz.github.io/software/202...

4 weeks ago 1 0 0 0
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Updated AetherCam to version 1.1. What’s new:
1) New reverb engine
2) Landscape recording is now supported
3) Frame-by-frame scrubber in the Studio editor #iOS #Swift #SwiftUl #buildinpublic #Apple #mobile #UIDesign

1 month ago 1 0 0 0
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I already have version 1.1 for AetherCam lined up, but just wanted to showcase some gestures that are available in the current version. Swipe right/left in the studio editor allows you to move forward or backward on the timeline :) Frame-by-frame is coming up in the update #buildinpublic #SwiftUI

2 months ago 5 1 0 0
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aetherCam: Video, driven by sound | Product Hunt Built for content creators and musicians, AetherCam lets you shape your sound on the fly. Whether you’re filming an acoustic performance, a vocal take, or a quick social post, your audio becomes part ...

AetherCam is live on ProductHunt! Check it out! www.producthunt.com/products/aet...
#buildinpublic #iOS #Swift #SwiftUI #Apple

2 months ago 1 0 0 0

Audio has always been a domain that I was deeply fascinated with. First as a music lover, then a guitar player, and finally as someone that worked in an audio startup. This project was one of the most exciting things I worked on in a while and I can't wait to make it even better. #iOS #audio

2 months ago 1 0 0 0
aether | Video driven by sound Audio-First Video Recorder

My latest app, which I am incredibly proud of, is out in the AppStore. Say hello to AetherCam, a video recorder which treats audio as a first-class citizen. Monitor signal, loudness target, adjust gain, and add effects. All in real-time. #buildinpublic #iOS #Apple #Swift #SwiftUI
aethercamera.pro

2 months ago 6 3 1 1
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Got the green light from #Apple for the newest version of Hacksy. It got completely revamped and adapted for #iOS26 Liquid Glass. Added couple of new, useful features as well. Tomorrow I’ll have some bigger news to share, a project I am insanely proud of :) #buildinpublic #Swift #SwiftUI

2 months ago 4 1 0 0

Nothing stings like getting rejected after two rounds of interviews and a take home assessment. „We’d like to interview you in the future” great that you’ve given me any feedback on how I can improve so that the next time the outcome is different. I’m totally done with this shit

5 months ago 0 0 0 0

Now, I got back to it and did the following: Zig performs an analysis on the supplied WAV file, Swift renders the waveform on screen. Zig's amazing interoperability with C basically allows me to create a C API that Swift can then ingest. (2/2)

5 months ago 2 0 0 0
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Small weekend project: Lately, I've been reading a bit about #systems #programming and thought "why not play around a bit with #audio and combine #Zig with #Swift?". I am a big fan of Andrew Kelley and dabbled a bit in the language last year (1/2)

5 months ago 2 0 0 1
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Got the green light from #Apple. Hacksy version 1.0.1 is out! :) #buildinpublic #iOS #AppDevelopment #SwiftUI #Swift #HackerNews

6 months ago 8 0 1 0
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Already submitted an update to Hacksy after I discovered a few annoying bugs :) #buildinpublic #Apple #iOS #SwiftUI #Swift #iOS26

6 months ago 5 0 0 0
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I am already working on the update to Hacksy, as I noticed couple of annoying bugs (want to ship an update in the beginning of this week), but here comes the question for the 1.1 version: Should I move to #liquidglass entirely? Let me know what you think! #buildinpublic #iOS #Apple #Swift #SwiftUI

6 months ago 6 0 0 0
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#iOS people, quick question: Is this jittery behavior of UISheetPresentationController expected on #iOS26? I really dislike the bouncing animation when scrolling content

6 months ago 0 1 0 0

Thank you!

6 months ago 1 0 0 0
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100%! Turned out, I selected In-App controls completely by accident and Apple "couldn't find it" 😅 no wonder, I never had it in the first place

6 months ago 2 0 1 0
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If it wasn’t for a silly mistake in #AppStore #Connect, I would’ve done it on the first upload 😅 Hacksy’s out of TestFlight and in the store 😊 #buildinpublic #swift #Apple #iOS #iOS26

6 months ago 8 3 1 0

Ok, I did not expect the migration to be soo swift (no pun intended). Wrapped my UISearchController into UINavigationController and have search functionality in place. Tomorrow tackling bookmarks tab! Let's get this thing #iOS26 ready! #Apple #Swift #SwiftUI #buildinpublic #liquidglass

6 months ago 4 1 0 0

Also started to play around with #liquidglass in Hacksy and now I am tempted to change it 😬 Quite like it, but still, I'd have to re-work the logic quite substantially (given my initial approach). Let's see! #iOS #buildinpublic #iOS26 #Apple #SwiftUI #Swift

6 months ago 5 2 0 1
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Hacksy was submitted for a review today! Keep your fingers crossed that it all goes well! #buildinpublic #Apple #Swift #SwiftUI #app

6 months ago 2 1 0 1
'Slaying the Bazelisk' - Adventures in Modularity, Build Systems, and SPM Integration | dotNote

Ok, I can't contain it any longer! @peterfriese.dev mentioned writing about my experience migrating to Bazel and combining SPM & Firebase in my project and I thought "that's a good way to cement my knowledge." So here it goes, my first technical article! januszpxyz.github.io/software/202...

6 months ago 4 0 0 0
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Hacksy migration to Bazel article is finished! Just a couple of polishing touches and it will be released in the coming days. Heads up, it's lengthy! #Apple #iOS #Swift #Bazel #Firebase #Google #buildinpublic

6 months ago 2 0 0 0

Can’t wait to see how he’s gonna spin this. Probably will say it’s „Apple’s fault”. Weird guy

6 months ago 0 0 0 0

It's crazy how looking back at old projects makes you realize how much you've progressed 😄 I was so ecstatic when I released that app haha

7 months ago 1 0 0 0
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Went on a trip down the memory lane and saw my first app that I released 4 years ago to the #AppStore. Ooof, it looks horrible! I can't imagine that I shipped it in this state 😅 I should overhaul it soon #iOS #Swift #Apple #iOS26 #buildinpublic

7 months ago 5 1 2 0
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I CAN'T BELIEVE IT! The great Bazel migration of Hacksy is done, the app works like a charm. Forgot to add some assets to the catalog, but the whole thing is sooo good! #Swift #iOS #Apple #Bazel #Google #Software #Engineer #macOS #buildinpublic

7 months ago 3 0 0 0
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GitHub - JanuszPXYZ/bazel-modjool-gen: Swift CLI tool to generate iOS modules using Bazel Swift CLI tool to generate iOS modules using Bazel - JanuszPXYZ/bazel-modjool-gen

Just made bazel-modjool-gen public on my GitHub. It's very bare-bones, but I've got nothing to lose (and only lots to learn) so it'd be awesome if you checked it out and left a star 😄
#iOS #macOS #Apple #Swift #software #engineering #buildinpublic
github.com/JanuszPXYZ/b...

7 months ago 4 1 0 0
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Created a very small #CLI tool in #Swift for myself to generate #Google #Bazel modules in #iOS projects. The tool's name is a word play on Medjool dates 😄 Check it in action! #SoftwareEngineering #SoftwareEngineer #Apple #Swiftlang #Google

7 months ago 1 0 0 0

Once I get this project to completion, I'd love to write about it Peter! :) In general, it is an awesome learning experience and made me appreciate computer science even more. Brilliant people work at Google ;)

7 months ago 1 0 0 0