222: OTP Update and Deprecating Unless
Thinking Elixir Podcast
00:00
Elixir and Gleam Updates: WebRTC, Testing Tips, and More
This chapter reviews recent advancements in Elixir and Gleam, particularly the new data channels in Elixir WebRTC. It also offers strategies for dealing with intermittently failing tests in Elixir 1.17 and presents a preferred approach for running tests sequentially during development.
Transcript
Play full episode
Transcript
Episode notes
News includes the release of OTP 27.1 with significant improvements to the Zip module, the upcoming deprecation of the unless keyword in Elixir 1.18, support for Data Channels in Elixir WebRTC, new test-related feature highlighted by ElixirStreams to tackle intermittent failures, a detailed blog from Discord on reducing their websocket traffic by 40%, ElixirConf Lightning talks on YouTube, and more!
Show Notes online - http://podcast.thinkingelixir.com/222
Elixir Community News
- https://erlangforums.com/t/erlang-otp-27-1-released/4006 – OTP 27.1 was released, which is the first maintenance patch for OTP 27. It brings important fixes including upgrades in the Zip module with support for large archives, extended timestamps, UID/GID support, and enhanced directory handling. Several Windows-specific fixes are also included.
- https://x.com/moomerman/status/1838235643983364206 –
unlesskeyword will be deprecated in upcoming Elixir 1.18. Users are encouraged to useif !conditioninstead. Amix format --migratecommand is available to assist with the transition. - https://github.com/elixir-lang/elixir/pull/13851 – Related GitHub pull request regarding the deprecation of
unlesskeyword. - https://github.com/elixir-lang/elixir/pull/13841 – Another related GitHub pull request for deprecating the
unlesskeyword in Elixir 1.18. - https://github.com/gleam-lang/gleam/releases/tag/v1.5.0-rc2 – Gleam v1.5.0-rc2 was released for testing.
- https://elixir-webrtc.org/ – Support for Data Channels in Elixir WebRTC was added, enhancing the project with features for sending arbitrary data over P2P connections.
- https://github.com/elixir-webrtc – GitHub organization for Elixir WebRTC, including recent updates and projects.
- https://x.com/mickel8v2/status/1838565408711880801 – Twitter announcement about the addition of data channels in Elixir WebRTC.
- https://blog.swmansion.com/data-channels-in-elixir-webrtc-0853c7d0e256 – Blog post explaining the significance and uses of data channels in Elixir WebRTC.
- https://www.elixirstreams.com/tips/mix-test-repeat-until-failure – ElixirStreams video tip on using
mix test --repeat-until-failure nto run tests until failure, handy for diagnosing intermittent test failures. - Mark's favorite seed to use is
--seed 0, which runs tests in sequential order, which is helpful during TDD. - https://www.elixirstreams.com/tips/mix-test-slowest-modules – New
--slowest-modules nflag added tomix testhelps identify modules with the slowest tests, complementing the existing--slowest nflag for individual tests. - https://discord.com/blog/how-discord-reduced-websocket-traffic-by-40-percent – Discord shared a new blog post detailing how they reduced websocket traffic by 40% by switching from zlib to zstandard for compression and implementing
PASSIVE_UPDATE_V2. - https://github.com/silviucpp/ezstd – The Erlang library
ezstdused by Discord, which they contributed to by adding streaming support. - https://www.youtube.com/watch?v=QJCWzN1Vahs – ElixirConf Lightning talks released on YouTube, available as a single hour-long video with chapter timestamps.
- https://www.youtube.com/playlist?list=PLqj39LCvnOWbW2Zli4LurDGc6lL5ij-9Y – Playlist for ElixirConf Lightning talks on YouTube.
- https://elixirfriends.transistor.fm/episodes/friend-1-peter-ullrich – A new Elixir podcast called 'Elixir Friends' launched by German Velasco, featuring a casual and relaxed format. The first episode guest is Peter Ullrich.
- https://www.youtube.com/watch?v=5apHLuFi5JI – The Elixir Friends podcast is also available as a YouTube video with a runtime of 1:22:10.
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
- Message the show - @ThinkingElixir
- Message the show on Fediverse - @ThinkingElixir@genserver.social
- Email the show - show@thinkingelixir.com
- Mark Ericksen - @brainlid
- Mark Ericksen on Fediverse - @brainlid@genserver.social
- David Bernheisel - @bernheisel
- David Bernheisel on Fediverse - @dbern@genserver.social
The AI-powered Podcast Player
Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
