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daniel holmgren 🫠

@dholms.at
30K followers 1.2K following 4.5K posts

head of protocol @ bsky 🌅

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daniel holmgren 🫠 @dholms.at · 29/09/2026
i'm doing a followup FediForum presentation a week from today, this time introducing atproto spaces! come hang and learn about the new protocol with the fediverse crew
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Filippo Valsorda @filippo.abyssdomain.expert · 28/09/2026
I'm excited to announce that the PLC Organization now has a statute! And a bank account! And a @standard.site publication! All the important stuff. The PLC Org is an independent Swiss Association meant to operate the PLC directory, which collects and distributes signed updates to atproto accounts.
blog.plcred.org
First steps of the PLC organization - Public Ledger of Credentials Organization
One year ago, Bluesky Social PBC announced their intention to facilitate the creation of an independent organization to operate the Public Ledger of Credenti…
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bryan newbold @bnewbold.net · 28/09/2026
Hello World from the PLC organization (plcred.org)! The org was soft-announced back in March at AtmosphereConf. We've been working through logistics step by step and now have a public web presence we can point to.
blog.plcred.org
First steps of the PLC organization
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daniel holmgren 🫠 @dholms.at · 25/09/2026
wow new morphine album was not on my bingo card for 2026
youtube.com
Morphine - Cocoon (Official Music Video)
YouTube video by Morphine (Official)
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devin ivy 🐋 @divy.zone · 25/09/2026
we've been doing some early building with atmospheric groups, and all i can say so far is that this is something completely new and exciting. everyone who has been involved should be proud. the future of the web might just rule
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daniel holmgren 🫠 @dholms.at · 24/09/2026
tangled.org/opensocial.g... 👀👀
tangled.org
opensocial.group/proposal
Proposal for Atmosphere Groups standard on atproto spaces
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daniel holmgren 🫠 @dholms.at · 23/09/2026
i think we need to do a permission sets push... permission sets are mainly for giving nice human-readable, user-friendly descriptions of resources! if your OAuth screen looks like this, consider publishing/using permission sets. this is scary/useless/non-sensical to users
an atproto oauth screen that has the generic "repository - public changes" and "authenticate - perform actions on your behalf" resources
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daniel holmgren 🫠 @dholms.at · 23/09/2026
Volume should be turned down notif while Nabokov by Fontaines dc playsBugs bunny no meme
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daniel holmgren 🫠 @dholms.at · 22/09/2026
a few of the open questions & things we're trying to nail down in the spaces alpha over the next month: discourse.atmosphere.community/t/post-alpha...
discourse.atmosphere.community
Post-alpha plans
Hey folks 👋 We’re about a month into the spaces alpha! From what I can tell, it’s going along pretty nicely. We pushed out one breaking change about two weeks back, but it’s been pretty stable apart ...
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daniel holmgren 🫠 @dholms.at · 22/09/2026
come tell me why i'm an idiot & the protocol sucks (but really, the alpha period is for kicking the tires & collecting feedback. come chat with us about what's working for you and what isn't!)
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daniel holmgren 🫠 @dholms.at · 16/09/2026
atproto is open. open as in beer in my truck on the way to work
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daniel holmgren 🫠 @dholms.at · 15/09/2026
friend texted me this today 😑
Nyt crossword where the clue is “one slow to develop” and the answer is “danholmgren”
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devin ivy 🐋 @divy.zone · 11/09/2026
on thursdays we drop the latest/greatest updates to the spec on the atproto spaces alpha host. first round of updates are now live! if you're interested in building against atproto spaces while it's in alpha, you can read more and get access here: atproto.com/blog/atproto...
atproto.com
The Atproto Spaces Alpha is Live
Atproto Spaces, formerly known as “the permissioned data protocol,” is a new extension to atproto that enables non-public data. The alpha is now officially open. Here’s how to develop with it and what to expect as we work towards the full release.
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daniel holmgren 🫠 @dholms.at · 11/09/2026
just wrapped up deploying a spaces alpha release! nothing too bad, but some applications that make use of simplespaces will likely break take a look at the breaking changes here: discourse.atmosphere.community/t/atproto-sp...
discourse.atmosphere.community
Atproto spaces alpha updates
Hey everyone! We haven’t pushed out any breaking changes the last couple weeks but we did land some this week, specifically centered around the simplespace API. Two main pieces of work landed: Mat...
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daniel holmgren 🫠 @dholms.at · 08/09/2026
SV tech companies have a long history of doing the opposite of what they claim would be satisfying & ironic if this also happened the first time they've mask off said "we're going to restructure society & replace you and everything you care about"
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daniel holmgren 🫠 @dholms.at · 08/09/2026
wow youtube algo absolutely honed in on me
youtube thumbnail for "day drinking and smok,ing cigarettes in a public park at 3pm on a rainy day"
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daniel holmgren 🫠 @dholms.at · 02/09/2026
wtf @jimray.bsky.team you said the other guest was "esteemed" and "respected"
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Sam Goto @sgo.to · 01/09/2026
@thisismissem.social @divy.zone and I recently went through an exploration of how the browser can help you login to websites with atproto accounts. We recently presented to the FedID CG and here is a sneak peek in case you couldn't join! This is early but we'd love your input before we go too far!
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daniel holmgren 🫠 @dholms.at · 28/08/2026
i mostly think the "y'all" thing is funny cause growing up (in the ozarks) my mom encouraged me not to say it along with words like "ain't" because it sounded hick & people would look down on it & now the same social contexts that she worried about adopted it as the *more* socially-acceptable term
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daniel holmgren 🫠 @dholms.at · 27/08/2026
when i see @pfrazee.com's post currently has more likes than mine
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P(aul) Frazee @pfrazee.com · 27/08/2026
Nitter gets a cease & desist from X while atproto, activitypub, and the open social web community makes the Internet more open.
pfrazee.leaflet.pub
SELECT * FROM internet.blogposts
Nitter gets a cease & desist from X while the atproto makes the Internet more open.
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daniel holmgren 🫠 @dholms.at · 27/08/2026
with a bit of perspective, I wanted to write this post which reintroduces spaces as a new primitive for atproto! spaces are a deeply social & "atmospheric" primitive & I kinda think they uniquely thread the needle on our design goals
dholms.leaflet.pub
Reintroducing Spaces
Now with better perspective, zooming out and re-motivating the design of spaces, the new primitive for non-public data on atproto.
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Devin Gaffney @devingaffney.com · 26/08/2026
Excited to announce that the Graze team is joining @flipboard.com! We're thrilled to be working with such a stellar team continuing to build the next era of the attention economy. Read more below:
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P(aul) Frazee @pfrazee.com · 24/08/2026
Telling everybody we just got the Nobel Prize
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daniel holmgren 🫠 @dholms.at · 24/08/2026
why didn't anyone tell me oolong tea is basically like green tea but better idk what i thought it was, but i think i thought it had like roots or flowers in it or something
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AT Protocol Developers @atproto.com · 20/08/2026
The most significant extension to the protocol since launch—atproto spaces—is now officially alpha software you can start testing with. Here's more about the goals and how to start testing. atproto.com/blog/atproto...
atproto.com
The Atproto Spaces Alpha is Live
Atproto Spaces, formerly known as “the permissioned data protocol,” is a new extension to atproto that enables non-public data. The alpha is now officially open. Here’s how to develop with it and what to expect as we work towards the full release.
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daniel holmgren 🫠 @dholms.at · 20/08/2026
so excited to get this in folks' hands and to see what people build with it! it’s been a lot of work getting here & i'm proud of where it's at check it out, bang on it, break it, see where it doesn't work. let's make sure this is something we're all excited about & can take pride in building on
atproto.com
The Atproto Spaces Alpha is Live
Atproto Spaces, formerly known as “the permissioned data protocol,” is a new extension to atproto that enables non-public data. The alpha is now officially open. Here’s how to develop with it and what to expect as we work towards the full release.
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daniel holmgren 🫠 @dholms.at · 20/08/2026
nice day for a new protocol
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daniel holmgren 🫠 @dholms.at · 18/08/2026
p̶e̶r̶m̶i̶s̶s̶i̶o̶n̶e̶d̶ ̶d̶a̶t̶a̶ atproto spaces
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devin ivy 🐋 @divy.zone · 13/08/2026
bluesky has always offered protocol services for devs— the relay, jetstream, and the bluesky api are the main ones. but until today those haven't really had a proper home. the crew as been working hard, and there's (even) more here than meets the eye, let's break this down!!
bsky.network
Bluesky Protocol Services
High scale open social, unlocked for every builder. Bluesky operates public infrastructure for the AT Protocol — Jetstream, Relay, and the Bluesky API — as open services anyone can build on.
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daniel holmgren 🫠 @dholms.at · 13/08/2026
huuuggee kudos to everyone that worked on this. do yourself a favor & checkout jetstream v2 "v2" doesn't do justice to just how badass it is
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Jim Calabro ♟️ @calabro.io · 13/08/2026
Do you like fast network replay? How does ~40 million events per second strike you? Replay the whole network in like 10 minutes In the best case scenario, running the jetstream server and the client on your own very powerful machine, this is roughly the peak I've achieved so far
a sample jetstream client that counts events, going at about 40 million per second
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P(aul) Frazee @pfrazee.com · 12/08/2026
A new contender on the “how many slashes” debate
A poster at RenderATL that has “AT” followed by like 20 slashes
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daniel holmgren 🫠 @dholms.at · 05/08/2026
claude started using the § symbol with the same tenacity with which i drew this symbol back in middle school
weird little "s" symbol we all drew in middle school
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Matthieu 🦋 @matthieu.bsky.team · 31/07/2026
AT protocol enthusiasts rejoice! He did it! @dholms.at fixed AT-URIs!
Screenshot of a git commit by @dholms "fix up at uris"
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Mosh Lee @mosh.bsky.social · 29/07/2026
ATProto builders, I've been having some really positive conversations with multiple funders who want to invest in the ecosystem. The tides are shifting, the interest is here. But, we need to talk. 👇
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daniel holmgren 🫠 @dholms.at · 29/07/2026
uhhh @pfrazee.com just put this on my calendar?
google cal event that says "cage match cage match"
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daniel holmgren 🫠 @dholms.at · 25/07/2026
pretty successful first working group session I think! thanks to the chairs and everyone who participated. excited to get this thing really rolling!
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Bumblefudge @bumblefudge.com · 23/07/2026
We don't allow your kind around these parts, pardner ( @dholms.at in .at)
The poster actually reads "forbidding forbidden" so @ is allowed, just not 🚫@, but don't tell ucan dan that
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Eurosky Sebastian @sebastian.eurosky.social · 23/07/2026
Senator, we don’t run ads
Bryan Newbold sitting in the stance of the IETF
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Jim Ray @jimray.bsky.team · 22/07/2026
Felt genuinely nervous hitting publish, it's impossible to overstate how much @kissane.myatproto.social's writing and thinking has been an influence on my own over [redacted] years. It was such a pleasure to get to chat with her, I hope y'all love this one as much as I did putting it together.
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P(aul) Frazee @pfrazee.com · 23/07/2026
just got an email from @dholms.at that just said "do a breakthrough" ?
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Matthieu 🦋 @matthieu.bsky.team · 22/07/2026
We know developing OAuth clients locally has been harder than it could be, partly because `localhost` isn't allowed as a `redirect_uri`. Please chime in on this discussion if you have any concerns about relaxing that particular rule.
github.com
Proposal: allow `localhost` redirect URIs in the localhost dev exception in the OAuth spec · bluesky-social atproto · Discussion #5255
This is a proposal carrying on discussion from this closed PR: bluesky-social/atproto-website#709. There is also a corresponding open issue, bluesky-social/atproto-website#699. Currently, http://12...
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daniel holmgren 🫠 @dholms.at · 18/07/2026
check out this post on the forum if you're curious how to participate in the atproto working group at the IETF this week Thursday, July 23rd from 4-6pm CET
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Laurens @laurenshof.online · 17/07/2026
the thing i love most about decentralised socials is that it continually surprises its most active proponents of how radical and disruptive it actually is
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daniel holmgren 🫠 @dholms.at · 17/07/2026
new data diary! (and i think final in the main series) this gets into the permissioned repository itself. how it's structured, signed & synced. give it a read & as always, lmk your thoughts!
dholms.leaflet.pub
Permissioned Data Diary 7: Off the Record
In which we put records in a repo, sign them, and sync them (but not quite the way you think).
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dan @danabra.mov · 17/07/2026
ugh web is so complicated. that certificate authority looks quite centralized to me. and that CDN might end up expensive to run at scale. and do we really need another standard? just use email
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daniel holmgren 🫠 @dholms.at · 17/07/2026
exhaustion from traveling/conferencing for a week and a half vs 6 club mates who will win?
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daniel holmgren 🫠 @dholms.at · 17/07/2026
so few segments in those uris… they were simpler times
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Boris @bmann.ca · 15/07/2026
A selection of the meetup crew tonight in Berlin, with some travellers passing through.
There were several pictures. This one has me making a weird face but everyone else looks great. That’s how much I’m supporting you
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