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….

Elixir & Phoenix

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LIVE VIEW HOOKS GET THE ELOQUENT TREATMENT

By RepoJournal · Filed 07:01 UTC on August 20, 2026 · About Elixir & Phoenix

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

→ Review the new beforeUpdate args in Live View before your next deploy to leverage element access phoenixframework/phoenix_live_view [plan]
→ Update any code relying on phx-hook that needed a remount; now it can update dynamically phoenixframework/phoenix_live_view [monitor]
→ Add a test for page-loading-stop on failed pushes to verify the fix in your JS client phoenixframework/phoenix_live_view [monitor]
→ Run your suite with the new Macro.classify_atom optimization to catch any regressions elixir-lang/elixir [plan]

References

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

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….

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