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wire 2026-08-20
stories 17
RSS Archive Reviews

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$ the-wire · showcase

LIVE VIEW HOOKS GET THE ELOQUENT TREATMENT

By RepoJournal · Filed · About Elixir & Phoenix · Composed from the cited sources · methodology

SteffenDE dkuku lukaszsamson José Valim
4 people shipped this
SteffenDE @SteffenDE 3 cited dkuku @dkuku 1 cited lukaszsamson @lukaszsamson 1 cited José Valim @josevalim

Phoenix Live View is shipping a passel of hook and JS-client fixes today, headlined by new beforeUpdate arguments that hand you more control over a hook's lifespan.

The Live View desk is busy [1]: hooks now receive `fromEl` and `toEl` in `beforeUpdate`, letting you inspect the old and new elements directly. SteffenDE also landed dynamic `phx-hook` attribute updates [2], closing issue #4058, and improved the error message when attributes are defined after an embedded template [3]. Meanwhile, external uploads finally get cancellation notifications , and a page-loading bug where `phx:page-loading-stop` never fired on failed pushes is fixed [4]. Over on Elixir core, Daniel Kukula is optimizing `Macro.classify_atom` [5] with a binary fast path that skips building a charlist, and Ecto got a clean-up of its savepoint usage . This is a developer-experience day: the hook changes in particular will save real debugging time.

Action items

References

  1. [1] pass fromEl and toEl to hook beforeUpdate ↗ phoenixframework/phoenix_live_view
  2. [2] Allow dynamically updating phx-hook attribute ↗ phoenixframework/phoenix_live_view
  3. [3] Improve error message when attributes have been defined after an embe… ↗ phoenixframework/phoenix_live_view
  4. [4] Stop page loading when pushes fail ↗ phoenixframework/phoenix_live_view
  5. [5] Optimize Macro.classify_atom (#15768) ↗ elixir-lang/elixir

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

the week in review Phoenix rewrites every CI workflow to hardened patterns the month in review Phoenix adds CI test summary formatter
Full archive → Weekly reviews →

Quick answers

What shipped in Elixir & Phoenix on August 20, 2026?
Phoenix Live View is shipping a passel of hook and JS-client fixes today, headlined by new beforeUpdate arguments that hand you more control over a hook's lifespan. In total, 11 commits and 6 pull requests landed.
Who contributed to Elixir & Phoenix on August 20, 2026?
4 developers shipped this update, including dkuku, SteffenDE, lukaszsamson, and José Valim.
What were the notable Elixir & Phoenix updates?
pass fromEl and toEl to hook beforeUpdate, Allow dynamically updating phx-hook attribute, and Improve error message when attributes have been defined after an embe….
♥

$ log Elixir & Phoenix --recent

Algorithm L replaces inside-out shuffles in Enum 3 shipped Base validation regression fixed, formatter comments stay put 16 shipped Formatter bugs that changed program meaning, and a LiveView assign that always fired 25 shipped Base validators go SWAR, formatter output stabilizes 4 shipped

$ log --all # elsewhere on the wire

Alignment & Post-training verl standardizes low-precision rollout kernels on DeepGEMM Agent Security Guardrails exposes hooks over HTTP, certifi floor raised in agent-scan

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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