# Changelog of Universal Price & Stock Monitor (`symphony_bots/apify-actor-factory`) Actor

- **URL**: https://apify.com/symphony_bots/apify-actor-factory/changelog.md
- **Full Actor documentation**: https://apify.com/symphony_bots/apify-actor-factory.md

## Changelog

### 0.2.1

- Added a validated key-value-store schema for the `OUTPUT` run summary.
- Documented structured output, scheduled monitoring, and Store billing behavior.
- Added a dependency lockfile, deterministic `npm ci` builds, and reuse of the tested production dependency tree in the runtime image.

### 0.2.0

- Added persistent per-product history and price/availability change detection.
- Added numeric price parsing, previous price, percentage change, and change classification.
- Added HTTPS webhook notifications with an optional secret and non-fatal delivery reporting.
- Added retry, timeout, request-rate, concurrency, proxy, and history controls.
- Added Actor output and dataset schemas, example input, API documentation, and unit tests.
- Preserved automatic JSON-LD extraction and common HTML fallbacks for public product pages.

### 0.1.0

- Added one-time product URL scanning with automatic and selector-based price/availability extraction.
