Livewire 3 Upgrade Blocker Lint

It reads your .php and .blade.php files and flags the Livewire 2 lines that stop working under Livewire 3, printing the v3 replacement next to each one. Fifteen rules cover events, Blade modifiers and the component surface. On the 43-line Livewire 2 component shipped with it, the engine reports 14 blockers: 10 errors and 4 warnings.

Laravel developers who own an app still running Livewire 2 and are doing, planning or reviewing the move to Livewire 3 — including anyone reviewing Livewire code an assistant generated, which is often written against the Livewire 2 API. Agencies inheriting a client Laravel app use it as the first pass before quoting the upgrade.

Grep finds emit( and wire:model.defer. It cannot find a <livewire:row> inside @foreach that is missing :key, because that defect is a missing attribute inside a block and needs loop depth. It also cannot separate wire:model.debounce, which is dead in v3, from wire:model.live.debounce, which is correct, since one string contains the other.

Free and unlimited: scan the file you have open and get every blocker with its Livewire 3 replacement, line by line. That finishes that file, with no watermark and no run cap. The licence key adds a different job: scanning every .php and .blade.php in the workspace at once and exporting a REPORT.md or JSON with file:line, plus a CI exit code.

A freelance Laravel developer at $85 an hour spends the first hours of any Livewire upgrade making exactly this inventory by hand, component by component. The extension is $29 once, with one licence key per person or team seat and a seven-day full refund. The free tier covers a single file without paying anything.