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wire 2026-07-31
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ELIXIR PATCHES CALENDAR PERFORMANCE REGRESSION WHILE PHOENIX EXPANDS PLUG FLEXIBILITY

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

AlexGx Barna Kovacs zekedou
3 people shipped this
AlexGx @AlexGx 3 cited Barna Kovacs @preciz 1 cited zekedou @zekedou 1 cited

Elixir shipped a critical fix for Calendar.strftime/3 that regressed after a recent change, while Phoenix clarifies pipe_through to handle all plug forms.

The Elixir team fixed a performance regression in Calendar.strftime/3 [1] by switching to byte_size for pad leading in ASCII-guaranteed formats, restoring the speed lost after PR #15665. Alongside that fix, the core library landed typespec corrections for scoped macro counters [2], along with documentation and spec improvements for Code.Fragment [3] and Code modules [4]. Over on the Phoenix side, a reworked pull request [5] clarifies that pipe_through now accepts pipelines and all plug forms, not just module plugs with options. This closes a gap where developers couldn't easily compose flexible plug chains in router definitions. Five commits and 5 PRs across both repos keep the ecosystem tight.

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

the week in review Comments land in the Elixir AST the month in review Elixir core tuning, Ecto breaking change, LiveView patches dominate August
Topics: Elixir & Phoenix Full archive → Weekly reviews →

Quick answers

What shipped in Elixir & Phoenix on July 31, 2026?
Elixir shipped a critical fix for Calendar.strftime/3 that regressed after a recent change, while Phoenix clarifies pipe_through to handle all plug forms. In total, 5 commits and 5 pull requests landed.
Who contributed to Elixir & Phoenix on July 31, 2026?
3 developers shipped this update, including AlexGx, Barna Kovacs, and zekedou.
What were the notable Elixir & Phoenix updates?
Fix Calendar.strftime/3 perfomance regression, Fix typespecs for scoped macro counters (#15705), and Fix Code.Fragment specs and docs (#15701).
♥

$ log Elixir & Phoenix --recent

Elixir trims Calendar.ISO parsing and weekday math, densifies coverage accounting 6 shipped File stat functions accept open handles, Keyword.drop aligns its membership check 5 shipped phx.new templates pin a Tailwind CLI that fails on macOS, LiveView starts 1.3.0-dev 3 shipped Elixir reverts duplicate alias detection, stale test deps resolve from source records 8 shipped

$ log --all # elsewhere on the wire

@openclaw Cold-start Gateway diagnostics stop crying wolf, doctor repairs plugin drift Agentic Coding Cline desktop bundles shrink, goose unblocks its own clicks

$ ls showcases/

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

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