Hello everybody!

“While LiveView provides several abstraction[should be abstactions] for building collaborative and dynamic applications, it also defines the HEEx template”

Suppose you have two fields in a Phoenix LiveView form where both are user-editable, and each one can be used to calculate the other.

Example:

Both inputs are valid entry points for the user.

The problem i

Claude is really good. It has definitely become an indispensable part of my toolkit. Maybe even the most indispensable after the OS itself, the editor and the compiler (and git of course).

However, over the last two days I’ve definitely learned

Livebook Behind the Cover - Jonatan Kłosko | ElixirConf EU 2025 | ElixirConf EU 2025

Livebook Behind the Cover - Jonatan Kłosko | ElixirConf EU 2025 | ElixirConf EU 2025

This talk was recorded at ElixirConf EU 2025. If you’re curious abou

Schooner is a sandboxed Scheme interpreter you embed in an Elixir app (like Lua/Luerl but with more parentheses). It targets r7rs-small minus its mutable operations — no set!, set-car!, vector-set!, etc. — which keeps the value model immutable and frie

Hello,

I’m having some trouble optimizing the memory usage for my application. Its job is manage and collect data from a bunch of networked devices (typical IOT application).

I create a process for each managed device (via DynamicSupervis

Why Combining LiveView and a Frontend Library is a Great Idea - Jakub Skałecki | ElixirConf EU 2025

Why Combining LiveView and a Frontend Library is a Great Idea - Jakub Skałecki | ElixirConf EU 2025

This talk was recorded at ElixirConf E

Hi guys

I have a question about having “having multiple websites on one machine” (putting the topic very simply so I don’t inadvertently make confusion in my intent).

To provide some context: I’ve been happily working with Elixir/Phoenix

Just finished reading about Phoenix Channels and now im confused on how i can use channels with LiveView to sync my page with everyone who is using the page.

Quick Trip with AI is telling me to use PubSub. When i try to check out the LiveView He

How would I create a nested form for example given in the Ash docs Define Polymorphic Relationships — ash v3.24.3 ?

I can create each resource manually, so I tried to create a nested form by following Nested Forms — ash_phoenix v2.3.21 . As sugg

Aloha gang,

I’m working on a port of Sakana AI’s TRINITY, an evolved LLM coordinator:

TRINITY Paper
OpenReview
Downloadable Assets

I started by attempting to reconstruct the work itself, but that isn’t realistic for me,

Tips & Tricks for Building an App With LiveView - Michael St Clair | ElixirConf US 2025

Tips & Tricks for Building an App With LiveView - Michael St Clair | ElixirConf US 2025

This talk was recorded at ElixirConf US 2025. If you’r

I’ve been trying to come up with a fairly real life representative way of evaluating code quality from AI, and by extension the functionality of skills and their setup, and the code checking utilities used.

Ideally there would be perfect real li

After watching the talk by @gus at elixirconf I got interested in trying out Nerves. But as I have no hardware yet, I was wondering if there are any online simulators of typical nerves hardware that would allow one to test nerves without having the har

Hi everyone

I’d like to introduce Otel, a project I recently released — a pure-Elixir implementation of OpenTelemetry that satisfies the full OpenTelemetry Stable specification.

There’s still plenty to refine on the stab

SuperAPI will be hosting the Melbourne Elixir meetup this Thursday, May 4th. The event will be held at Level 9, 505 Little Collins Street from 6pm. Join us for a couple of talks, pizza, banter with other Elixir developers and some follow up drinks at S

Quick follow-up to the winter salary report I posted earlier this year.

I ran the same analysis on March 1 - April 28, 2026:

• 89 remote Elixir listings on HexHire
• 38 had usable salary info (about 20%, similar to winter)

Squid Mesh is an open source workflow automation runtime for Elixir applications.

It is aimed at Phoenix and OTP apps that want to define and run durable workflows in code without rebuilding the runtime layer around retries, replay, i

Python (and, to a lesser extent, TypeScript) are the default choices for AI/LLM applications. In this post, I break down where Elixir outperforms them and why it matters.

Episode 301 of Thinking Elixir. News includes Phoenix LiveDebugger hitting v1.0 with an interactive tour to go along with it, LiveStash v0.2.0 shipping with API improvements and a tease of Redis & Mnesia adapters on the horizon, German Velasco maki

Hi,

I’m currently in the process of rewriting our React app to LiveView. So far, everything is working well, but I’ve run into an issue.

When I feature-switched the first users to the LiveView frontend, some of them ended up in an error l

LiveView and Web Components - Chris Nelson | Code BEAM America 2025

LiveView and Web Components - Chris Nelson | Code BEAM America 2025

This talk was recorded at Code BEAM America in March 2025. If you’re curious about our upcoming event

Nerves Flutter - Digit | Code BEAM America 2025

Nerves ❤️ Flutter - Digit | Code BEAM America 2025

This talk was recorded at Code BEAM America in March 2025. If you’re curious about our upcoming event, check https://codebebeamamerica.com

After around 4 months of development, squashing numerous bugs, adding some substantial features it’s time for a new LiveVue release!

Introducing additional SSR backend - QuickBEAM which runs inside the BEAM. It’s now

Following has been copied from the Erlef website:

Allocation of Resources Without Limits or Throttling vulnerability in elixir-plug plug_cowboy allows unauthenticated remote denial of service via atom table exhaustion.

Hi folks

I had a great time in Malaga, meeting so many good people. I couldn’t find anywhere central where people are organising slides, links etc, so I’m starting one here.

Please reply with slides you’ve found, and I’ll update the main

Seriously, what do you do while Claude (or whatever you use) is doing its thing?

30 posts - 19 participants

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On this page of the Phoenix documentation: Components and HEEx — Phoenix v1.8.5

It talks about layouts and the root layout. But I cannot find anywhere on the site on how to use alternate “root” layouts like: root1, newTeamplateView, etc…

Now that I’ve used this in anger for a week, I’d like to introduce 0.1.0 of Mirage, a browerless testing framework for Hologram pages and components.

I still consider this library highly experimental, so please see “goals” below.

I have written about something i implemented at work. It’s a nice show off for Elixir streams and protocols and the nice abstraction they provide.
We learn how to wrap the Erlang/OTP :ssh_sftp API in a Stream and imlement the Collectable protocol

Hello Community!

I’m writing my bachelor’s thesis on visualizing distributed protocols using Elixir, and I’ve run into the problem that the built-in Kino render_seq_trace function doesn’t display the messages in their actual order. Does anyone k

Hi everyone,

I made a small Elixir library called FFix.

FFix helps you build ffmpeg commands and filter graphs using Elixir data and functions, instead of manually joining long -filter_complex, -map, and option strings.…

Anyone here using Honeybadger?

My Honeybadger account is being overwhelmed with noise from some bots. Seeing a lot of

• Bandit.HTTPError and Bandit.TransportErrors (looks like someone is trying to send packets that aren’t HTTP request

I’ve been learning Elixir for about a month now, and I’ve reached the stage where I’m trying to do basic things utilizing GenServer, but I just get overwhelmed trying to design the GenServer system as well as making it compatible with the logic that Im

Hello there.

I’m wondering if people have any tips for doing TDD with Elixir.

I am specifically wondering if it is possible to configure mix test to only show which tests failed. I find the output to be very noisy (lots of warnings, also

I’d love to share Choreo — a code-first toolkit designed to help map, visualize, and run metrics on your system architectures.

Choreo embraces the idea of architecture as data. You describe your workflows, pipelines, or

Middle+/Senior Backend Engineer (Elixir) - FinCrew, Remote Worldwide / Relocation to France

Introductory paragraph
FinCrew is building embedded finance infrastructure that allows companies to launch payment products in wee

Hi there,

I searched the forums but I couldn’t find any answer. Is there an equivalent of ‘rails stats’ for elixir/phoenix project?

A tool that outputs a project’s statistics like, number of files, LOC, tests, routes, etc?

Thanks i

I am using 1.20.0-rc4 and discovered a bug I introduced today. Wanted to share mostly because I want to understand the extent of how set theoretic typing will or will not address this kind of bug. The code snippet:

A new Erlang announcement has been posted:

I’m in the process of upgrading from Elixir 1.18.4 to 1.19.5, and I’ve run into an issue where errors inside LiveView are no longer appearing in the logs.

For example, if I introduce an obvious error like this in a LiveView:

There is a live form, with some inputs and a select with large number of options (about 200). They are transferred, the form is rendered. Now the form is validated on user input. Let’s say the user types some text into one of the text inputs, the form

Been using Claude for over a week now (Opus 4.6 then 4.7, max subscription). Honestly, can’t hide my joy, at some points feeling even ashamed of my past stubborn skepticism. It’s amazing how much (more) I managed to do over this last week. The producti

I am adding various client adapters as optional dependencies for a library, much in the way :tesla does and as described here (wrap each adapter in Code.ensure_loaded?/1). I know the dependency is checked at compile time and always loaded in the librar

good day folks !

I’m writing a small custom plug with plain elixir and I’m with a small pickle I’m not sure how to tackle. Turns I have could have a small Router that might look as follows:

Hey! I made a thing!

Well, mostly Claude but I did have some say in the matter.

It is a library for transforming HTML to email client optimized output. It was inspired by Maizzle, but as that is a node based project it did not fit very n

Wrote up a comparison of the four broker APIs I’ve integrated into the same Elixir trading system — TradeStation, Tradovate, ThinkOrSwim, and IBKR (now removed). The interesting parts are below the surface: token refresh architectures that push vs. pul

Hi everyone

I’ve updated to Ash version 3.24.3 from 3.9.0, and since the update one part of the code no longer works. Basically the situation is like this, there is a main Resource `resource`, another resource `family`, and they are joined using

LLMs tend top produce a lot of CSS, and rarely clean it up. This is a mix task and a script to analyze your css and remove some of it.

This is AI-slop. I looked at a total of may be 10 lines of code of this. This is also why I do

Hi all,

Wanted to share a side project I just launched, and open a thread on a few Phoenix patterns I went with that I’m not 100% sure are idiomatic.

sTELgano (pronounced stel-GAH-no — a portmanteau of stegano-gr