v2.48.2

charmbracelet/crushv2.48.2Mar 25, 2026by github-actions[bot]

AI Summary

Adds parallel crawl backends feature allowing users to race multiple browser engines against each other, with the best HTML result winning.

Key Highlights

Parallel Crawl Backends for racing browser engines
Support for LightPanda, Servo, and custom backends
Zero overhead when disabled
Anti-fingerprint jitter and auto-disable on failures
Full network interception parity with Chrome

Full Release Notes

Race alternative browser engines alongside your primary crawl. Best HTML wins.

```rust
use spider::configuration::{BackendEndpoint, BackendEngine, ParallelBackendsConfig};

let mut website = Website::new("https://example.com");
website.configuration.parallel_backends = Some(ParallelBackendsConfig {
    backends: vec![BackendEndpoint {
        engine: BackendEngine::LightPanda,
        endpoint: Some("ws://127.0.0.1:9222".to_string()),
        binary_path: None,
        protocol: None,
    }],
    ..Default::default()
});
website.crawl().await;
// page.backend_source → "primary" | "lightpanda" | "servo" | "custom"
```

Features: `lightpanda`, `servo`, `parallel_backends_full`, custom backends via `BackendEngine::Custom`.

Zero overhead when disabled, anti-fingerprint jitter, auto-disable on failures, custom quality validator, full network interception parity with Chrome.