Home Assistant Daily: The Great Validation Library Migration
Core maintainers completed a multi-PR migration away from voluptuous to a new validation library called probatio, while separate fixes tightened up Matter device handling and integration data accuracy. The validation change is now enforced by lint rules, meaning any code touching schemas needs attention going forward.
Duration: PT2M47S
Episode overview
This episode is a short developer briefing from Home Assistant Daily.
It explains recent repository work in plain language.
- Show: Home Assistant Daily
- Published: 2026-09-14T06:01:13Z
- Audio duration: PT2M47S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Good morning. It's September 14th, and here's what mattered in the Home Assistant codebase over the last day.
The biggest structural story is the completion of a validation library migration. Frenck closed out a four-part series—PRs 182107, 182112, 182113, and finally 182120—replacing voluptuous with probatio across core, helpers, auth, util, and every integration. Probatio has been stable since version 2026.9.0, and PR…
Second theme: Matter integration hardening. Three separate efforts landed here. Jowi24 fixed cover entities failing to appear when Shelly devices report a null tilt attribute, tied to issue 149876. Frenck's PR 182034 added guards against out-of-spec values coming from Matter devices generally—defensive coding…
A third pattern: data accuracy fixes across integrations. Andremmfaria's Todoist fix corrects calendar events defaulting to a 24-hour span when they should be 30 minutes, plus an exclusive-boundary fix preventing duplicate events. Tr4nt0r addressed a breaking change in the Xbox API's error response format. And…
Worth noting: Balloob's PR 182024 folds YAML-configured Modbus hubs into the connections list, a breaking change for anyone relying on the old…
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