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0.3.4

KlingAIResearch/LivePortrait0.3.4Jul 1, 2026by github-actions[bot]

AI Summary

This version introduces multi-page session capabilities, new Web APIs, and resolves numerous stability and crash issues. It includes performance optimizations for CSS and URL handling, as well as updates to V8 and networking libraries.

Key Highlights

  • Multi-page sessions with concurrent navigations.
  • New Web APIs including `Navigator.sendBeacon` and `Worker` as `DedicatedWorkerGlobalScope`.
  • CDP improvements including redirect handling and layout metrics.
  • Stability fixes preventing crashes on iframe loads and double-free errors.
  • Performance optimizations in CSS parsing and telemetry.

Breaking Changes

  • Reworked `URL.resolve` behavior based on the new URL implementation.

New Features

  • Multi-page sessions and support for multiple pages.
  • New Web APIs: `Navigator.sendBeacon`, `HTMLSelectElement.add`, `Node.moveBefore`, `HashChangeEvent`.
  • `document.domain` setter.
  • `LIGHTPANDA_DISABLE_CORE_DUMP` environment variable for CLI.

Full Release Notes

## Multi-page sessions
- Concurrent page navigations in the script runtime
- Runner and session support for multiple pages
- `cli`: fetch multiple URLs in one invocation

## New Web APIs
- `Navigator.sendBeacon`
- `HTMLSelectElement.add`
- `Node.moveBefore`
- `HashChangeEvent` + `Window` `hashchange` event
- `document.domain` setter
- `Worker` is now a proper `DedicatedWorkerGlobalScope`

## Web API behavior / fixes
- `replaceWith` with a `DocumentFragment` appends its children
- `innerHTML` parsing respects the target element
- Reject `XMLHttpRequest.send()` when a send is already active
- Cookie accessor moved from `HTMLDocument` to `Document`
- `innerText` uses the `StyleManager`'s visibility

## CSS / styling
- `getComputedStyle` resolves inline `style=` declarations
- Normalize fractions without a leading `0`
- Skip inline-style allocation for elements without inline styles (perf)
- Skip `CSSStyleProperty` creation when there is no `style` attribute (perf)

## URL
- Reworked `URL.resolve` on top of the new URL implementation

## CDP (Chrome DevTools Protocol)
- Follow redirects on request-interception fulfillment
- Fix `Page.frameAttached` params double-wrapping that broke sub-frame interception
- `Page.getLayoutMetrics` returns the browser's viewport
- Store viewport override at the browser level

## HTTP / Networking
- Update libcurl and nghttp2
- Work around libcurl Brotli trailing-byte rejection (`CURLE_WRITE_ERROR`)
- Fix cross-origin `MessageEvent.source` `WindowProxy` identity

## Telemetry
- Smaller telemetry payload
- Telemetry worker moved to its own thread

## Stability / crash fixes
- Fix handlescope corruption on iframe load
- Prevent double-free on `BrowserContext` deinit with pending interception (UAF)
- Fix crash on `requestAnimationFrame` from a `Worker`
- Flush deferred transfers after a synchronous stylesheet fetch

## CLI / Ops
- `LIGHTPANDA_DISABLE_CORE_DUMP` to suppress crash core dumps
- New `--strip-mode invisible`

## Build / CI
- Update V8
- Generate a `versions.json` file
- Release: Docker registry login + read permissions, homebrew workflow fixes, trigger homebrew-browser formula update after release