[QGIS-Developer] MacOS Qt6 builds / Notarization

[Dieter Komendera]

Hi Matthias,

thank you for the effort! I’ve been running the arm64 builds from the #60039 PR now for about half a year with very positive results. The biggest challenges were the lacking Qt6 plugin compatibility.

I’m now running the notarized builds linked below and can confirm they work with no apparent problems on macOS 15.5 (24F74) with an M2 Pro.

All the best
Dieter

> On 12.06.2025, at 16:33, Matthias Kuhn via QGIS-Developer <qgis-developer at lists.osgeo.org> wrote:
> 
> Dear all,
> 
> Over the last few months I've made good progress on the mac build front.
> Since the beginning of the year, a pull request has been open that builds QGIS against recent, updated dependencies and Qt6 and creates a dmg installer for download.
> These packages provide universal binaries that work natively on Intel x64 and ARM machines.
> 
> Overall, the feedback of testers has been encouraging and many things could already be ironed out.
> 
> Since last week it is now also possible to download notarized versions of these builds. The scripts are in https://github.com/opengisch/qgis-notarize/ and in the actions on this repository, the notarized packages can be downloaded and we also have encouraging feedback there.
> Eventually I would like to only notarize releases (and not pull requests) and use an OSGEO certificate (not the current OPENGIS.ch one) and produce the packages on a repository under the qgis organization. I'll handle that in the upcoming weeks.
> 
> Since this is a complete refactoring and cleanup of the mac build chain, it would break the current Qt5 builds and was therefore not merged to not break releases on the QGIS 3 series.
> 
> With the last minor release QGIS 3 approaching, I would like to proceed with merging this right after 3.44 has been branched off. The pull request is rather large so it's good if this has a long cooldown period before it's released with QGIS 4 later this year. Whoever feels comfortable reviewing cmake code changes, please do so before Friday next week, June 20.
> 
> Thanks a lot and best wishes
> Matthias
> 
> -- 
>   Matthias Kuhn 
> Mr. Noproblemo
> CTO | Co-Founder
> matthias at opengis.ch 
> https://opengis.ch 
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