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wire 2026-06-28
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RAILS FIXES NUMBER HELPERS CRASH, DOCUMENTATION SWEEP LANDS

By RepoJournal · Filed · About Rails · Composed from the cited sources · methodology

vipulnsward
1 person shipped this
vipulnsward @vipulnsward 1 cited

Rails patched a critical bug in number_to_human and number_to_human_size that crashes when precision is nil, while simultaneously correcting dozens of misleading RDoc examples across the framework.

The number helpers crash [1] affected any code passing precision: nil to number_to_human or number_to_human_size, which should be valid since other number helpers accept it. The fix adds a nil guard that was missing in RoundingHelper#absolute_precision. Meanwhile, a comprehensive RDoc sweep [2] corrected malformed examples across Active Model, including wrong method signatures and timestamps formatted with 133 milliseconds instead of 13. The migrations desk also shipped a reversibility fix [3] making add_foreign_key(if_not_exists: true) properly invertible in rollbacks. This Week in Rails [4] went live covering RFC 9110 Accept header work, dotenv fixes, and composite key improvements. All three patches are comment-only or low-risk logic fixes that are safe to ship immediately.

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

the week in review Ractor-ready Active Record and Active Job land in Rails the month in review Herb becomes Rails 8.2 default
Full archive → Weekly reviews →

Quick answers

What shipped in Rails on June 28, 2026?
Rails patched a critical bug in number_to_human and number_to_human_size that crashes when precision is nil, while simultaneously correcting dozens of misleading RDoc examples across the framework. In total, 11 commits and 7 pull requests landed.
Who contributed to Rails on June 28, 2026?
1 developer shipped this update, including vipulnsward.
What were the notable Rails updates?
Fix `number_to_human`/`number_to_human_size` crashing on `precision: nil`, Fix incorrect RDoc examples across frameworks [ci skip], and Merge pull request #57895 from 55728/fix-invert-add-foreign-key-if-not-exists.
♥

$ log @rails --recent

Attribute-read regression fixed, decimal numericality corrected 79 shipped in_order_of double-serializes values, id_value alias restored 50 shipped Inlined attribute writers, leaner ActiveRecord::Key 31 shipped MySQL 5.6 falls off the support floor as Arel stops rebuilding literals 27 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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