The Elixir programming language
@elixirlang
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Elixir is a dynamic, functional language designed for building scalable and maintainable applications. This account is now inactive.
Joined February 2012
Learn more about how the Discord team is using Elixir and the Erlang VM to deliver more than 26 million WebSocket events per second to more than 12 million concurrent users:
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In Elixir v1.6 you can invoke "mix test --slowest N" to print the N slowest tests in your suite.
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Up to 18 cores on the iMac Pro. Luckily Elixir will use all of them by default to compile, handle jobs, serve requests, run tests and more!.
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Elixir v1.9 is out! Built-in releases, config, and more:
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Elixir v1.12 released! Scripting improvements, stepped ranges, tighter integration with Erlang/OTP 24+, then/tap, and more: #MyElixirStatus.
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Elixir v1.11 released: - a special surprise for everyone at ElixirConf EU!.
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Elixir v1.16 released: The notable improvements in this release are the addition of compiler diagnostics and extensive improvements to our docs in the forms of guides, anti-patterns, diagrams and more. Enjoy!.
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A code formatter that formats your codebase according to a consistent style will be part of Elixir v1.6. All you need to run is `mix format`!.
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Elixir v1.15 released: * Faster compile and boot times.* Compiler warnings and errors.* Full integration with Erlang/OTP logger.
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Elixir v1.6.0-rc.0 is out!. Release notes: Forum discussion: Give it a try!.
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Elixir v1.13 released, with great improvements to tooling in the short and long term: #MyElixirStatus.
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Elixir + Nerves + Lego Mindstorms communicating over the network:
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Elixir v1.14.0 released: A new debugging experience, the PartitionSupervised, improved error messages for binaries and evaluation, and more!. #MyElixirStatus.
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From Erlang/OTP 23 (currently RC1), we will be able to show Erlang docs directly from the Elixir shell. Here is a demo of a POC implementation: - a huge thank you to @erlang_org and the @TheErlef Documentation Working Group for making this possible!.
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If you are looking for more reasons to give Erlang/OTP 21 a try, our experiments also show that compiling Elixir code is roughly 20% faster!
Read about some of the new features in OTP 21 rc1 in this blog post by Lukas Larsson.
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Over the last 3 days the Elixir community and core team have been hard at work formatting all files in the Elixir codebase. We have received 214 Pull requests by 84 people and now all 452 files are properly formatted. 🎉.
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Elixir v1.6 is coming in the next month! Take a look at what may be in the new release:
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A debugging chapter has been added to our Getting Started guide: Thanks to @MohnishGJ and @josevalim!.
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Elixir v1.8.0-rc.0 is out! Enjoy the holidays and give it a try!
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Elixir v1.6.2 is out! Bug fixes in the new DynamicSupervisor and defguard as well as improvements in the code formatter, including better support to format umbrella projects.
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Breakpoints, code opening and more is coming to IEx on Elixir v1.5:
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Elixir v1.2.0 is out - New guides and official blog post coming out soon. Happy New Year!.
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The 2020 Elixir Community Survey is here. Please participate to help us grow our community. #myelixirstatus.
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Learn why @XPlaneOfficial chose Elixir to power their flight simulator multiplayer server and how they tackled it in our latest case: #MyElixirStatus.
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Elixir v1.9.0-rc.0 is out with releases support: - You can compile it with a version manager or from source to give it a try: - And please do give it a try!.
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Elixir v1.10 released: - Elixir v1.10 comes with improvements to the standard library, the compiler, as well as several additions to the mix release feature added in v1.9.
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Learn how @Mozilla is using @elixirphoenix to empower their social virtual spaces in @MozillaHubs! All of it is open source with automated deployments via Hubs Cloud, which perhaps makes it the most deployed Phoenix application ever: #MyElixirStatus.
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Our page with guidelines for library authors is finally online: Thanks to everyone who contributed!.
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Learn how @Change uses Elixir to handle spikes of million of messages while keeping CPUs maxed out, memory usage to a minimum necessary, and without flooding upstream services: 👉 Their engineering team is also hiring Elixir devs:
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We have tagged all issues we want to fix as part of Elixir v1.7: - Now is a great time to jump in!.
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Elixir v1.6.5 is out with support for Erlang/OTP 21-rc.0, some bug fixes and further improvements to the code formatter:
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Elixir v1.4.5 will be released this week with compatibility improvements for Erlang 20. Elixir v1.5.0-rc shortly after.
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Elixir v1.4.5 is out! - If you want to run on Erlang/OTP 20, this is the recommended version!.
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Elixir v1.10.3 is fully compatible with Erlang/OTP 23.0 - so up to date Elixir users are ready to give it a try!.
Erlang/OTP 23.0 is released, see For a deeper dive into the highlights you can read our blog
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Our third production case is live! Learn how the Vault and Front-end teams are Heroku are using Elixir in production: #myelixirstatus.
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Elixir v1.6.3 is out with further improvements to the formatter and Dynamic Supervisor bug fixes:
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Elixir v1.6.0-rc.1 is out!. Release notes: Forum discussion: Give it a try!.
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Elixir v1.14.0-rc.1 is out, which should be our last stop before v1.14: For the complete CHANGELOG: Please give it a try and let us know how it goes!.
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Elixir v1.11.0-rc.0 released: As a release candidate, it may not be available in distros, so check our install page for other means to install: If you're using Elixir images, they should be available soon.
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See how uses Elixir and RabbitMQ to help names like @PaulMcCartney, @Metallica, and @BarackObama connect to their audiences! Their busiest service runs on 5 nodes and handles spikes of millions of users:
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Plug v1.2.0-rc.0 is out! Featuring safer encryption algorithms, better MIME support and a brand new debugging page!
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Elixir v1.3 introduces calendar types (Time, Date, NaiveDateTime and DateTime) as well as sigils for building them, e.g: ~D[2016-05-24].
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ExDoc v0.20.0 is out with keyboard shortcuts, autocompletion, full-text search and more! Here are two examples of it live:. * Ecto v3.1: * Elixir master: Thanks to everyone who contributed to this amazing release! <3.
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Planning to contribute to Elixir this October? We've got your back:
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Ecto and Phoenix are trying out a new mechanism for grouping modules in their documentation sidebar. See and (thanks to ExDoc v0.17)
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Learn how @V7Labs is orchestrating computer vision and managing large data sets using Elixir, Phoenix, RabbitMQ, and more: Plus, they are hiring! #myelixirstatus #machinelearning.
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The Stack Overflow survey is out and both Erlang/Elixir are on the menu:
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Elixir v1.12.2 released with small fixes. Projects with 50+ deps should be a reasonable speed up on Mix commands:
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Erlang/OTP 22 is out ( and it should be a compatible upgrade for anyone running Elixir v1.7+. For the highlights, read this: - Thanks @erlang_org!.
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Elixir v1.11.1 has been released with a handful of bug fixes:
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The first release candidate for Elixir v1.10 is out: - please give it a try and let us know how it goes!.
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Elixir v1.11.4 is out with some small fixes to make sure we nicely print some of the new/improved error messages in Erlang/OTP 24. It also updates mix local.rebar to install Rebar v3.14.4 (required by Erlang/OTP 24+).
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Elixir master now keeps guards in their own section in the documentation sidebar: All thanks to the new documentation metadata!
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Watch Elixir's mini-documentary by @honeypotio, featuring @josevalim, @chris_mccord, @mobileoverlord, @StefanKellner, @gemcfadyen, @evadne & other members of the #ElixirCommunity:
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Elixir v1.7 will adopt EEP 48 ( which brings documentation interoperability between languages. It also allows custom metadata in docs, to enrich how documentation is consumed.
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Ecto 2.1.0-rc.4 is out with that streams query results without loading the whole result set into memory.
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Learn why @slab chose @elixirlang and @elixirphoenix as the best-in-class tools to build real-time, collaborative web applications with great developer experience:
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Elixir v1.14.4 is out with full compatibility with Erlang/OTP 26-rc2 for those interested in giving it a try (and you should!):
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The BEAM Community has been accepted into Google Summer of Code once again: Spread the word!.
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Which feature coming in Elixir v1.11 are you most excited about?. Not sure what is coming soon? See the changelog: #myelixirstatus.
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Concurrency is not a production-only feature, it affects every stage: development, testing, and production.
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Do you want to know which part of function clauses did not match on errors? Exception.blame/3 to the rescue:
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The Elixir community has done an amazing job in bringing Elixir to new domains and we are looking forward to the next five years: (José Valim keynote at @ElixirConf).
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Here is the must watch @computer_phile video with @rjmh about property-based testing mentioned by @josevalim in his keynote:
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Elixir v1.3 will perform cross module checks to find undefined modules and functions! (tks to @antipax)
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And the latest feature in ExDoc v0.20 is out of the bag: versions dropdown! Screenshots attached. You can also give it a try here: Thanks @michal_lepicki (from @amberbit) and @wojtekmach (from @plataformatec) for making it happen!
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ExDoc v0.21.0 is out with many exciting features! First of all, ExDoc now detects if your browser prefers night mode and acts accordingly. It also includes many fixes for EPUB generation, including support for covers and cleaner code snippets (thanks to @MarlusSaraiva) [1/3].
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mix test --stale is now on Elixir master thanks to @antipax! It uses static analysis to run tests only for the source files changed on disk!.
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We are now featuring the cases we have published on our website directly on the homepage: You can also access all cases in the order they were posted in its own page: - we have many more from a wide array of industries coming soon!
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Elixir v1.3 will have new accessors for nested data structures. Here is how to upcase all languages names in a map:
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Another tiny but helpful improvement coming to the documentation is the addition of a "since" annotation, that tells you when a certain function/macro/callback/type was added:
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New blog post! StreamData: property-based testing and data generation for Elixir: Give it a try!.
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We have tagged all issues for the next Elixir v1.5 release: If you want to contribute, now is a great opportunity!.
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Elixir v1.7.0-rc.1 is out: Please give it a try and let us know if you found any regressions. And if you didn't find bug, even better! Let us know that too!.
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Learn how the Search Marketing and Sales Intelligence Platform teams at @PepsiCo use Elixir: Overall there are six teams at PepsiCo using Elixir at varying capacities! #myelixirstatus.
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Thanks to @joshprice, mix app.tree and mix deps.tree can now print your dependency graph! Here is it for Phoenix:
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Elixir v1.8.1 released with some bug fixes: - if you were getting "could not find .app" errors in your umbrella projects, this release solves it!.
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Next wednesday @josevalim & @knewter will remotely write a distributed pubsub on top of Elixir's v1.4 new registry:
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Elixir v1.7.0-rc is out! Please give it a try and let us know of any issues you find:
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The Elixir repo has moved to Cirrus CI ( so we can test Windows, Unix, and FreeBSD in a single CI environment. Thanks to the Cirrus CI team for the support and to @fertapric for carrying the migration!.
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Elixir v1.6.4 is out with a formatter bug fix and a compatibility fix for Erlang/OTP 20.3:
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Do you want to avoid the churn™? Try a platform that has been used for building scalable & robust apps for 30 years:
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Protip: you can use "mix open PACKAGE" to open the docs for any package directly in your browser.
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Learn how SparkMeter is increasing access to electricity by using Elixir and its ecosystem - powered by Nerves, Phoenix, and Broadway - from ground to cloud:
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ExDoc master got full-text search thanks to the work of and the #lunrjs library. For example, many developers would search for "custom guards" in Elixir docs and find nothing. Not anymore! Here is a demo:
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Hacktober fest is almost here and it is a great opportunity to contribute to the Elixir community:
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Elixir v1.3.4 has been released with bug fixes for those using Dialyzer and Cover on Erlang 19. Release notes:
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Elixir v1.3.0-rc.0 has been released. CHANGELOG: Forum Discussion:
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