lightpanda-io/browser 0.3.6

on GitHub

New Web APIs

• Live SVG scalar values; SVG prototype chains derived
• Float16Array exposed (V8)
• Dispose event for NavigationHistoryEntry

Web API behavior / fixes

• XMLHttpRequest uses the XML parser for XML content-type responses; fix XHR response handling
• FormData append blob fix
• Derive scrollWidth/scrollHeight from element content
• Improved ResizeObserver (behavior + performance)
• On script error, trigger window.reportError; fix segfault on window.reportError
• Forms: close the ancestor dialog on method=dialog submission
• Blob shared per origin

CSS / rendering

• Respect @layer priority in the cascade

CDP (Chrome DevTools Protocol)

• Complete Network events and include worker requests
• Per-CDP control for Network.setCacheDisabled
• Expose child-frame metadata; preserve node IDs across child-frame navigation
• Ignore duplicate enable calls
• Sanitize non-UTF-8 values
• Improved dead-peer detection

HTTP / Networking

• Support loading custom CAs (--ca-cert, --ca-path)
• Cookie store; cookie improvements
• Request blocking fixes
• Improved robots.txt correctness
• Never cache the top-level root page
• iframe loads about:blank on an un-parsable URL
• WebSocket: use a posix shim for shutdown; improved WPT results and reduced flakiness

Performance / memory

• Avoid a tight tick loop before pages load; don't poll when a message is dispatched
• Improve Runner tick signaling on macrotask-only waits
• Reduce GC hint frequency
• Inline finalizer callbacks
• Set a per-browser memory limit (instead of per-process) for WPT

Stability fixes

• Poll the terminate state during large HTML parsing; interrupt nested script waits during teardown
• Make refcounts u32 to prevent overflow
• Fix CLI help pager broken by the failing allocator

CLI / Ops

• New run command for script replay
• Route script console output through an optional sink

Build / CI

• Zig 0.16 upgrade; Nix flake updated for Zig 0.16
• Key the prebuilt-V8 cache on the zig-v8 tag
• Pin GitHub Actions to commit SHAs; add plumber to watch workflow security