v2.48.2

run-llama/liteparsev2.48.2Mar 25, 2026by github-actions[bot]

AI Summary

This release introduces parallel crawl backends, allowing users to run multiple browser engines simultaneously to determine the best HTML result. It supports LightPanda, Servo, and custom backends with zero overhead when disabled.

Key Highlights

Parallel Crawl Backends feature
Support for LightPanda and Servo engines
Custom backend support via BackendEngine::Custom
Anti-fingerprint jitter
Zero overhead when disabled

New Features

Parallel backends configuration
BackendEngine enum (LightPanda, Servo, Custom)
Backend quality validation
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.