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wire 2026-08-25
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LiveView crash fix lands as Elixir corrects Greek casing

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

SteffenDE AlexGx Barna Kovacs José Valim Łukasz Samson
5 people shipped this
SteffenDE @SteffenDE 2 cited AlexGx @AlexGx 1 cited Barna Kovacs @preciz 1 cited José Valim @josevalim 1 cited Łukasz Samson @lukaszsamson

Phoenix LiveView patches a stale-diff crash while Elixir fixes final sigma casing in Greek strings.

Phoenix LiveView is patching a crash that could occur when a view rejoined before pending diffs were applied, which could "try to apply a stale diff to a new tree and crash" [1]. The same PR also discards outdated pending diffs, ensuring only fresh state reaches the client [1]. In a related cleanup, async tasks of components removed from the tree are now properly canceled, closing issue #4401 [2]. Meanwhile, Elixir's standard library fixes Greek final sigma handling: `String.downcase("AΣ", :greek)` now returns `"aς"` instead of `"aσ"`, and `String.capitalize/2` gets the same correction [3]. A PR unifying map domain type lookup simplifies the codebase [4], and a separate PR fixes warnings when running tests [5]. With 12 commits and 8 PRs across both repos, this is a focused day of correctness fixes. LiveView users should upgrade to get the crash fix, and Elixir maintainers should review the sigma patch.

$ 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 25, 2026?
Phoenix LiveView patches a stale-diff crash while Elixir fixes final sigma casing in Greek strings. In total, 12 commits and 8 pull requests landed.
Who contributed to Elixir & Phoenix on August 25, 2026?
5 developers shipped this update, including AlexGx, Barna Kovacs, José Valim, Łukasz Samson, and SteffenDE.
What were the notable Elixir & Phoenix updates?
Tag pending diffs and discard outdated ones, Cancel async tasks of components removed from the tree, and Fix final sigma handling in :greek.
♥

$ 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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