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wire 2026-08-01
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$ the-wire · showcase

SHOPIFY CLI 4.6.0 SHIPS WITH FUNCTION PROFILING AND SOURCE MAP FIXES

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

Isaac Roldán github-actions[bot] davejcameron vividviolet dmerand
5 people shipped this
Isaac Roldán @isaacroldan 1 cited github-actions[bot] @github-actions[bot] 1 cited davejcameron @davejcameron 1 cited vividviolet @vividviolet 1 cited dmerand @dmerand

The Shopify CLI gains WebAssembly performance profiling for app functions while fixing a critical bug that broke UI extension source maps in local development.

Shopify CLI 4.6.0 [1] landed with meaningful improvements across the developer experience stack. The release removes deprecated extension processes and dev session branching [1], but the two features that matter most are profiling and debugging. You can now profile app functions directly from the CLI with a new `--profile` flag that forwards to Function Runner and outputs Speedscope-compatible data [2], solving the long-standing gap between what the runner could do and what developers could actually use. More critical: UI extension source maps are now served correctly during `shopify app dev` [3], restoring DevTools visibility after a regression left the dev server 404ing map requests. The CLI also adds `--flags` to skip interactive prompts during app config linking [1] and fixes a domain-matching bug in storeByDomain that could connect to the wrong store on substring domains [1]. Security-wise, loadtest header injection domains have been narrowed [4], reducing surface area. This is a solid incremental release with two bugs that needed fixing and one powerful new capability for performance-conscious function developers.

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

the week in review Shopify CLI goes machine-readable for agent tooling the month in review Shopify CLI 5.0 ships standardized JSON output
Full archive → Weekly reviews →

Quick answers

What shipped in Shopify on August 1, 2026?
The Shopify CLI gains WebAssembly performance profiling for app functions while fixing a critical bug that broke UI extension source maps in local development. In total, 12 commits, 9 pull requests, and 1 releases landed.
Who contributed to Shopify on August 1, 2026?
5 developers shipped this update, including Isaac Roldán, github-actions[bot], davejcameron, dmerand, and vividviolet.
What were the notable Shopify updates?
4.6.0, [Feature] Add profiling to app function run, and Serve UI extension source maps during app dev.
♥

$ log Shopify --recent

Hydrogen moves CSP into the core package, and a Vite build fix stops 500s on Oxygen 10 shipped Hydrogen stops leaking client IPs, app dev stops crashing on bad frames 21 shipped Theme tooling goes machine-readable, docs drift breaks CI 45 shipped Theme dev server stops forcing the exit page, and GraphiQL learns JSON 12 shipped

$ log --all # elsewhere on the wire

Agent Security Quiet day in agent security as guard coverage reaches four clients Alignment & Post-training verl defaults Ascend RL mode, open-instruct unblocks SFT packing

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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