Xcode 27.1 Beta Release Notes
CameronBanga
134 points
81 comments
September 18, 2026
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Discussion Highlights (9 comments)
CameronBanga
Now available for testing apps on the iPhone Duo! Here are some screenshots from getting my own app compiled, if anyone is interested: https://bsky.app/profile/cameronbanga.com/post/3mvsrxk5q7b2j https://bsky.app/profile/cameronbanga.com/post/3mvss5wmxej2l
khoury
I'm just gonna ignore this thing and continue as if it never existed. Worked with Vision Pro that no body uses and will work with this.
isodev
It really feels quite irrelevant. Also, the amount of work to support this with zero support from Apple since WWDC is just absurd. And even if one does the work, Apple will just sherlock the cool features into their apps.
OCTAGRAM
I presume this Xcode 27.1 beta will not want to launch on our Mavericks Forever, the last Mac OS we actually like and use.
ar_lan
I think this is my main hesitation with picking up the Duo on the first release. I have no doubt the build quality is exceptional, but the chance that the apps I use are not well optimized for this new form factor is pretty high in the first year of its release. I don't think they won't work , but I anticipate oddities to appear for a while, especially for older applications.
inshard
Waiting for my coding agent to have zero idea what I mean when I say build for iPhone duo (due to knowledge cutoffs in pre-training; happened when Liquid Glass came out previously).
yreg
Finally! So we have a little over a month between getting the simulator and first customers running our apps in Duo. I expect that most apps will look rather broken on release, but it will be smoothed out eventually.
Austin_Conlon
Apple also bundles a /uikit-app-modernization skill which should help with adopting layouts to iPhone Duo.
tehnoslow
Thanks for Axiom, looks useful. Does it already cover the new 27.1 beta APIs?