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).

Elixir & Phoenix

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ELIXIR PATCHES CALENDAR PERFORMANCE REGRESSION WHILE PHOENIX EXPANDS PLUG FLEXIBILITY

By RepoJournal · Filed 07:01 UTC on July 31, 2026 · About Elixir & Phoenix

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.

Action items

→ Review and pull Calendar.strftime/3 fix if you use date formatting in hot paths elixir-lang/elixir [plan]
→ Check Phoenix router pipe_through usage once the new PR lands for clearer plug composition patterns phoenixframework/phoenix [monitor]

References

[1] Fix Calendar.strftime/3 perfomance regression ↗ elixir-lang/elixir
[2] Fix typespecs for scoped macro counters (#15705) elixir-lang/elixir
[3] Fix Code.Fragment specs and docs (#15701) elixir-lang/elixir
[4] Fix Code doc wordings and clarify (#15703) elixir-lang/elixir
[5] Make pipe_through accepts pipelines and all plug forms ↗ phoenixframework/phoenix

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).

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The Elixir repo updated its CI security action overnight, pulling in the latest zizmor static analysis tooling.

elixir 1 shipped

Elixir & Phoenix Aug 5

ELIXIR 1.20.3 TIGHTENS TYPE CHECKING, PHOENIX CUTS AGENT GUIDANCE BLOAT

Elixir shipped a compiler speedup and five type precision fixes that close the gaps developers keep finding in map and tuple handling.

elixir 5 shipped

Elixir & Phoenix Aug 4

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elixir 14 shipped

Elixir & Phoenix Aug 3

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