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Bart Blast @bartblast.com · 15/09/2026

Hey Elixir friends! :) My ElixirConf US talk "Hologram: Building Local-First Apps in Pure Elixir" is live. A trip planner goes offline in one window, then catches up. How it works: the compiler works out what each page syncs, and edits merge per column, no CRDTs. www.youtube.com/watch?v=jdg_...

youtube.com

Hologram: Building Local-First Apps in Pure Elixir | Bart Blast

YouTube video by Code Sync

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Bart Blast @bartblast.com · 05/08/2026

Hey Elixir friends! :) Hologram v0.11 is out, now with Elixir regexes running in the browser and client errors that read exactly like server errors, stacktraces included. Plus dynamic tags, attribute and prop spread, and umbrella support. hologram.page/blog/hologra...

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Bart Blast @bartblast.com · 04/08/2026

Hey fellow alchemists! @mikehostetler.bsky.social built a Slack clone with Jido and Hologram - agents and people in the same rooms, UI in Elixir running in the browser. Great writeup, and exactly what I hoped Hologram would be used for :) jido.run/blog/jido-as...

jido.run

Jido Assembly: A Slack clone built with Jido and Hologram

An architecture case study of a Slack clone built with Jido Agents, Jido Messaging, Jido Chat, Hologram, and the BEAM.

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Reposted by Bart Blast

Erlang Ecosystem Foundation @erlef.org · 30/07/2026

@bartblast.com, creator of Hologram, a framework bringing the joy of Elixir to frontend development, will be at @elixirconf.bsky.social. We're proud to support this project! If you're heading to ElixirConf, don't miss this talk! elixirconf.com/talks/hologr...

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Bart Blast @bartblast.com · 24/07/2026

I was on the BEAM There, Done That podcast, talking Hologram with Francesco Cesarini and Allen Wyma. Francesco called the idea "Joe Armstrong stubborn" - the browser speaks JavaScript, I made it speak Elixir instead. Happy to own that :) www.youtube.com/watch?v=BOsS...

Elixir in the Browser: Bart Blast on Hologram

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Bart Blast @bartblast.com · 22/07/2026

Hey Elixir friends! :) I just published a post that matters more to me than most - where Hologram's funding stands, what sponsorship built this year, and why what comes next depends on a few companies stepping in. hologram.page/blog/backing...

Hologram Works. Sponsor What Comes Next.

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Bart Blast @bartblast.com · 18/07/2026

Yesterday I wrote the first line of code for Hologram's Local-First data layer. After months of research instead of code, that felt good :) Heads-down for 2-3 weeks now, so I may be slow on bug fixes. Epic: github.com/bartblast/ho... Branch: github.com/bartblast/ho...

github.com

Local-First data layer · Issue #940 · bartblast/hologram

Hologram's own declarative, local-first data layer: define a data model in Elixir, query it reactively, and mutate it - with optimistic local writes, live sync across clients, and full offline supp...

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Bart Blast @bartblast.com · 15/07/2026

Hey Elixir friends! :) My ElixirConf EU 2026 talk is online. Hologram lets you build a whole web app in pure Elixir, front end included. This one is about the next chapter - local-first - and why Elixir has an edge JS stacks can't copy. www.youtube.com/watch?v=qqpN...

Hologram: The Journey to Local-First Elixir in the Browser (my ElixirConf EU 2026 talk)

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Bart Blast @bartblast.com · 10/07/2026

Recently, I got attendee feedback for my ElixirConf EU talk about Hologram, the full-stack web framework I'm building that runs your Elixir code in the browser. One of the comments: "Bart Blast seems like a man on a mission, and we are along for the ride." You bet I am! Glad to have you along :)

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Bart Blast @bartblast.com · 07/07/2026

Most frontend code isn't UI. It's data plumbing - caching, syncing, loading states, and more. Hologram's new Local-First data layer takes it over: declare what the data should be, it syncs itself in the browser, offline included. Pure Elixir. Teaching it hands-on at ElixirConf US, Sept.

Building Local-First Apps in Pure Elixir with Hologram

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Bart Blast @bartblast.com · 03/07/2026

Soon I start building the most ambitious thing I've attempted with Hologram (my full-stack Elixir framework): the Local-First data layer. Your app keeps its data locally, syncs in the background, and keeps working offline - all of it written in Elixir.

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Bart Blast @bartblast.com · 30/06/2026

Hey Elixir friends! :) Hologram v0.10 is out, now with a real event system. To show it off, I rebuilt Space Invaders in pure Elixir, running in the browser with no game engine. There's a new server-side middleware layer too. hologram.page/blog/hologra...

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Bart Blast @bartblast.com · 13/06/2026

After going quiet for way too long, the monthly newsletter for Hologram (my Elixir web framework) is back. Shorter issues now, tied to the release cycle so it should stick this time. First one's out next week: hologram.page/newsletter

hologram.page

Newsletter

Join the Hologram newsletter for monthly updates on development milestones, ecosystem news, and community insights. Your convenient check-in with everything Hologram.

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Bart Blast @bartblast.com · 10/06/2026

17 lines of Elixir - all the realtime code you write for a chat room in Hologram v0.9. I'd love to take credit :) but it's an iceberg situation: clustering, cross-node routing, supervision ship with the BEAM. I just built the declarative layer on top. What did the BEAM save you from building?

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Bart Blast @bartblast.com · 06/06/2026

If you write Elixir, you know the moment the fun stops: the frontend. I've lost afternoons to bugs that were just an object mutating somewhere it shouldn't - can't happen in Elixir. But mostly I just want to write Elixir all day. So I'm building Hologram to do exactly that. I regret nothing :)

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Bart Blast @bartblast.com · 03/06/2026

The Swedish coast, end of September. A seaside theatre full of Elixir people :) I'm speaking at Goatmire about Hologram - building local-first apps in pure Elixir. Offline-capable, auto-syncing, client and server in one language. No JS framework in sight.

Hologram: Building Local-First Apps in Pure Elixir

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Bart Blast @bartblast.com · 30/05/2026

Hologram v0.9 landed on Thursday and the response has blown me away. The feedback loop I love: a user hit a compile-time slowdown with deeply nested templates, reported it, and v0.9.1 is already out with the fix. On v0.9? Grab v0.9.1 to keep compiles fast :)

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Bart Blast @bartblast.com · 28/05/2026

Hey Elixir friends! :) Hologram v0.9 is out - now with Realtime! ⚡ Your Elixir server can push updates straight to the browser, no polling and no JavaScript - all in pure Elixir. Plus the with special form, AI assistant support, and more. hologram.page/blog/hologra...

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Bart Blast @bartblast.com · 23/05/2026

Quick question for the Elixir crowd: when you build realtime, what are your use cases? Chat, presence, dashboards, cursors? I've spent the last couple of weeks on Hologram realtime - last feature tests wrapping up, docs next. Curious how realtime is actually used in practice as I write the docs.

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Bart Blast @bartblast.com · 13/05/2026

Hey Elixir friends, funny how getting a feature down to a simple one-line call takes two weeks of design work. Sharing what that looked like for Hologram realtime.

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Bart Blast @bartblast.com · 06/05/2026

"Just generate it with an LLM." Common reply when I mention I'm building Hologram UI - the component library for my Elixir-in-the-browser framework. But components need more than markup: a11y, responsiveness, edge cases LLMs miss. Waiting list: hologram.page/ui #ElixirLang

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Reposted by Bart Blast

Curiosum @curiosum.bsky.social · 21/04/2026

On Friday at 11:55, Bart Blast from our team is speaking at @elixirconf.bsky.social Hologram: The Journey to Local-First Elixir in the Browser 👉 www.elixirconf.eu/talks/hologr... Join the talk and catch Bart on our Curiosum stand to talk. #elixirlang #myelixirstatus #hologram

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Bart Blast @bartblast.com · 02/04/2026

I'm designing Local-First features for Hologram (instant UI, optimistic updates, offline resilience) and I'd love to hear your ideas. What's your dream DX? Don't think about what's possible - think about what you'd want if there were no constraints. Full discussion: elixirforum.com/t/designing-...

elixirforum.com

Designing Local-First features for Hologram - what's your dream DX?

Hi everyone! I’m working on designing Local-First features for Hologram and I’d love to hear your thoughts before I dive into implementation. What do we mean by “Local-First”? The term gets used in ...

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Bart Blast @bartblast.com · 25/03/2026

Elixir devs who use VS Code - this one's for you! Hologram just got its official VS Code extension! 🧩 Full syntax highlighting for HOLO templates: ~HOLO sigils in .ex files and standalone .holo template files. More here: hologram.page/blog/hologra... #Hologram #Elixir #ElixirLang #BEAM #WebDev

Hologram gets official VS Code extension

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Bart Blast @bartblast.com · 12/03/2026

Hey Elixir friends! :) Elixir Gets JavaScript Interop - Hologram v0.8.0 is out! Use npm packages, call JS functions, work with Web APIs and Web Components - all from Elixir, with zero client-side latency. hologram.page/blog/hologra... #Hologram #Elixir #ElixirLang #BEAM #WebDev

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Bart Blast @bartblast.com · 12/02/2026

Hi there, Elixir friends! Hologram v0.7.0 is out! :) 49 contributors ported 150 Erlang functions used by Elixir's client-side runtime, pushing coverage from 34% to 96%. (Hologram compiles Elixir to JS for the browser.) hologram.page/blog/porting... #Hologram #Elixir #ElixirLang #BEAM #WebDev

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Bart Blast @bartblast.com · 21/01/2026

Hey Elixir friends! :) Hologram's journey just took a big leap forward: @curiosum.bsky.social is coming on board as the Main Sponsor, and I'm joining their team to work on Hologram full-time! Read what this means for Hologram: hologram.page/blog/hologra... #Hologram #Elixir #ElixirLang #BEAM

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Bart Blast @bartblast.com · 05/01/2026

Hey Elixir friends! :) Great news! The Erlang Ecosystem Foundation awarded Hologram a stipend to support key development milestones. Deeply grateful to the EEF 🙏 for supporting the project vision! Read more: hologram.page/blog/hologra... #Hologram #Elixir #ElixirLang #BEAM #WebDev

Hologram Awarded EEF Stipend for Development Milestones

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Bart Blast @bartblast.com · 03/01/2026

Wanna go to sunny Málaga this April and speak about Hologram? 🌞 ElixirConf specifically mentions Hologram as a SOUGHT-AFTER TOPIC = higher acceptance chance! Just submitted mine. Deadline: Jan 6, 23:59 CET Submit: elixirconf.eu More info: elixirforum.com/t/wanna-spea...

elixirconf.eu

ElixirConf EU 2026 on 23-24 April, Málaga & Virtual

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Bart Blast @bartblast.com · 27/11/2025

Hi Elixir friends, After 3 years on Hologram full-time (transpiles Elixir to the browser), I'm at a crossroads. 60+ hr weeks balancing contracts & dev isn't sustainable. Where we are & how you can help: hologram.page/blog/seeking... Even sharing helps 💜 #Hologram #Elixir #ElixirLang #BEAM #WebDev

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Bart Blast @bartblast.com · 16/11/2025

Hey Elixir friends! :) We need help completing Elixir's browser runtime by porting some Erlang functions to JavaScript. No Erlang knowledge required. Each function unlocks multiple Elixir stdlib functions! More here: hologram.page/blog/elixir-... #Hologram #Elixir #ElixirLang #BEAM #WebDev

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Bart Blast @bartblast.com · 24/09/2025

Hey Elixir family, process spawners, fault-tolerant friends! 😉 My ElixirConf talk just dropped! See how Hologram is pushing the boundaries of what's possible with Elixir! Check it out: www.youtube.com/watch?v=TVs2... #Hologram #Elixir #ElixirLang #BEAM #WebDev #ElixirConf

youtube.com

Hologram Building Rich UIs with Elixir Running in the Browser - Bart Blast | ElixirConf EU 2025

YouTube video by Code Sync

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Bart Blast @bartblast.com · 12/09/2025

Hey Elixir friends! :) Have you seen physics animations written in pure Elixir running in the browser? Hologram v0.6.0 (full-stack Elixir framework) is here! ✨ #Hologram #Elixir #ElixirLang #BEAM #WebDev

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Bart Blast @bartblast.com · 26/07/2025

Hey Elixir friends! :) 🚀 Hologram v0.5.0 is here! Major performance leap: milliseconds → microseconds execution times + 50x rendering speed improvements! and... Session/cookie management, live reload, incremental compilation, new pointer/mouse events. #Hologram #Elixir #ElixirLang #BEAM #WebDev

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Bart Blast @bartblast.com · 08/07/2025

Hmm... should I be worried?

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Bart Blast @bartblast.com · 11/06/2025

Just launched the newsletter for Hologram - a new Elixir web framework! Monthly development updates, ecosystem news, and community insights delivered to your inbox. Join us → hologram.page/newsletter #Hologram #Elixir #ElixirLang #BEAM #WebDev

hologram.page

Newsletter

Join the Hologram newsletter for monthly updates on development milestones, ecosystem news, and community insights. Your convenient check-in with everything Hologram.

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Reposted by Bart Blast

ElixirConf @elixirconf.bsky.social · 15/05/2025

🌐 Elixir |> run_in_browser(using: :hologram) Elixir in the browser! Bart Blast shows how Hologram transpiles Elixir to JavaScript for rich, client-side UIs. Full-stack Elixir — zero JavaScript required! #ElixirConfEU #Hologram #ElixirJS #FullStackElixir

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Bart Blast @bartblast.com · 14/03/2025

Elixir devs! Just published Hologram's official roadmap! 🚀 Check it out: hologram.page/docs/roadmap Priorities: client bitstring perf, component rerendering, DOM events, cookies/sessions. What features excite you most? #ElixirLang #Hologram

hologram.page

Roadmap - Hologram

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