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wire 2026-09-08
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LiveView async fixes, Elixir docs gains

By RepoJournal · Filed · About Elixir & Phoenix

SteffenDE Alexander Gubarev José Valim Tobias Pfeiffer preciz
5 people shipped this
SteffenDE @SteffenDE 2 cited Alexander Gubarev @AlexGx 1 cited José Valim @josevalim 1 cited Tobias Pfeiffer @PragTob 1 cited preciz @preciz 1 cited

Phoenix LiveView tightened its async handling with three fixes for correctness and allocation, while Elixir landed small documentation improvements.

Phoenix LiveView addressed three issues around async assignments and PIDs [1] [2] [3]. Assign async validation now handles falsy keys correctly, which used to allow keys like `false` or `nil` to slip through; it now rejects them. The call to get async PIDs now uses `:infinity` as the timeout, matching the existing default in the call helper and preventing unexpected timeouts. Also, the `async/1` machinery avoids allocating unused PID metadata, cutting work for the common case where that metadata isn't needed. No breaking changes; all three are safe to pick up.

On the Elixir side, the docs for `Kernel.defstruct` got a corrected example [4], and the `--partitions` documentation now links to the relevant sections [5], making the docs easier to navigate. A fix also guarantees that a binary may always be returned from a comprehension [6], resolving an inconsistency in the language's behavior.

$ ls elixir/reviews/ # the step-back reads

the week in review Phoenix drops Ecto from phx.new.web default the month in review Elixir core tuning, Ecto breaking change, LiveView patches dominate August
Topics: Elixir & Phoenix Full archive →

Quick answers

What shipped in Elixir & Phoenix on September 8, 2026?
Phoenix LiveView tightened its async handling with three fixes for correctness and allocation, while Elixir landed small documentation improvements. In total, 6 commits and 4 pull requests landed.
Who contributed to Elixir & Phoenix on September 8, 2026?
5 developers shipped this update, including Alexander Gubarev, José Valim, Tobias Pfeiffer, preciz, and SteffenDE.
What were the notable Elixir & Phoenix updates?
Use :infinity as timeout when getting async pids, Handle falsy keys in assign_async validation (#4432), and Avoid allocating unused async PID metadata (#4426).
♥

$ log Elixir & Phoenix --recent

LiveView flash age 1000x too long, plus IEx autocomplete crash fix 15 shipped Elixir fixes unary operator precedence with do-end blocks 15 shipped Phoenix CI drops Process.sleep blind waits; Elixir fixes Hex version check 13 shipped Elixir date parsing loses guarded helpers 41 shipped

$ log --all # elsewhere on the wire

@openclaw Selective evidence collection and truthful reviewer prompts land in ClawSweeper AI Agents Cline desktop commands unblocked from slow backend startup

$ ls showcases/

Rails Django Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Linux Anthropic

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