What were the notable Elixir & Phoenix updates?

Check for missing requirement in the loader and Clarify protocols come later, closes #15529.

Elixir & Phoenix

Elixir, Phoenix, LiveView, and Ecto - the BEAM web stack

Pick a date

Topics: Elixir & Phoenix Full archive →

The Wire · Showcase

ELIXIR LOADER TIGHTENS REQUIREMENT CHECKS

By RepoJournal · Filed 06:05 UTC on June 27, 2026 · About Elixir & Phoenix

Elixir fixed a gap in the loader that could silently skip missing requirements, catching a class of bugs that slip through at compile time.

The Elixir team patched the loader to enforce requirement checks more strictly [1], preventing a subtle bug where missing dependencies could go undetected until runtime. This is the kind of fix that doesn't break anything but stops bad code from shipping in the first place. In related cleanup, the docs were clarified on when protocols load in the module lifecycle [2], settling a long-standing question about initialization order. Both changes land in the next release and are low-risk upgrades. If you've been burned by mysterious dependency issues at 3am, pay attention to the requirement validation change.

Action items

→ Update to next Elixir release when available; review compiled modules for undetected missing requirements elixir-lang/elixir [plan]

References

[1] Check for missing requirement in the loader elixir-lang/elixir
[2] Clarify protocols come later, closes #15529 elixir-lang/elixir

Quick answers

What shipped in Elixir & Phoenix on June 27, 2026?: Elixir fixed a gap in the loader that could silently skip missing requirements, catching a class of bugs that slip through at compile time. In total, 2 commits landed.
What were the notable Elixir & Phoenix updates?: Check for missing requirement in the loader and Clarify protocols come later, closes #15529.

ECTO FIXES SUBQUERY PLANNING IN JOINS, ELIXIR PATCHES IEX PARSING

Ecto's query planner now handles subqueries correctly in interpolated join filters, while Elixir fixes a syntax error that broke 'not in' as a continuation operator in IEx.

elixir 10 shipped 1-min read

Elixir & Phoenix 2 days ago

ELIXIR STRIPS REDUNDANT GUARDS, FIXES TUPLE PROJECTION BUG

Barna Kovacs landed three optimization PRs removing dead code from core Enum and Calendar modules, while a separate fix addresses a flawed tuple projection algorithm that was producing inconsistent type representations.

elixir 22 shipped 1-min read

Elixir & Phoenix 3 days ago

LIVEVIEW ASYNC CLEANUP FIX SHIPS ALONGSIDE RANGE OPTIMIZATIONS

Phoenix LiveView closes a critical async task test failure while Elixir cuts unnecessary abs calls from Range operations.

elixir 19 shipped 1-min read

Elixir & Phoenix 4 days ago

PHOENIX LIVE VIEW SEALS CRITICAL NODE NAME LEAK IN UPLOAD TOKENS

A reverted encryption fix exposes how Phoenix was leaking BEAM node identities through unencrypted upload tokens, and the core team is pivoting to a cleaner solution using term_to_binary.

elixir 23 shipped 2-min read

Elsewhere on the wire

AI Agents about 21 hours ago

CLINE SHIPS FIVE CRITICAL AGENT FIXES AFTER END-TO-END TESTING BLITZ

Saoudrizwan just landed a cascade of fixes that prevent the agent loop from running wild, stop file reads from resolving to the wrong directory, and plug the compaction pipeline.

ai-agents 16 shipped 2-min read

Local LLMs about 21 hours ago

LLAMA.CPP SHIPS MINIMAX-M3 SPARSE ATTENTION, VLLM UNLOCKS HETEROGENEOUS PREFILL-DECODE

The inference stack gets a new model architecture and a fundamental shift in how prefill and decode can run on different hardware configurations.

+10

llms 125 shipped 1-min read

@CachyOS about 21 hours ago

GLIBC 2.43 REBUILD SHIPS, INSTALLER JUMPS TO C++26

CachyOS pushed glibc 2.43 through the pipeline while the CLI installer upgraded its C++ standard to C++26, signaling a major refresh across core infrastructure.