Changelog

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0.3.1 — 2026-05-30

  • Track upstream Lightpanda v0.3.1. Bumped fork release tag to fork-2026-05-30, rebased the cookie-on-WS-upgrade patch onto upstream v0.3.1. The patch was reworked to use the new exec.context.global API (a GlobalScope union of .frame / .worker) since upstream refactored WebSocket.init to take an Execution instead of a *Frame. Picks up upstream improvements while keeping cookie-authenticated WS upgrades working.
  • Expanded test coverage on the cookie patch. The fork now ships four additional regression tests alongside the original happy-path: path-scoped cookies don't leak across paths, SameSite=Strict still attaches on same-site upgrades, empty cookie jar produces no Cookie: header, and multiple matching cookies are joined per RFC 6265 §5.4.
  • New :install_dir config + LIGHTPANDA_INSTALL_DIR env var. Override the directory the binary is installed and looked for in, while the package keeps owning the per-target filename (lightpanda-<target>). Relative paths resolve against File.cwd!/0, so config :lightpanda, install_dir: ".browsers" lands the binary under <project_root>/.browsers/ — matching the layout used by Chrome for Testing / Puppeteer and making Docker/CI cache mapping a single-directory affair. Default behaviour is unchanged (_build/lightpanda-<target>). Precedence: :path (full file) > :install_dir config > LIGHTPANDA_INSTALL_DIR env var > default.

0.3.0 — 2026-05-23

  • Track upstream Lightpanda v0.3.0. Bumped to fork release fork-2026-05-23, rebased onto upstream v0.3.0. Picks up 120 commits of upstream improvements (CDP refactor, Page container, additional Worker APIs, SameSite cookie fixes) while keeping the WS-cookie-on-upgrade patch.

  • Hex package version now tracks the lightpanda binary version (we jumped past 0.2.10 to match upstream's 0.3.0). Future bumps follow upstream cadence — 0.3.1 when upstream cuts v0.3.1, etc.

  • Breaking: removed binary-source config knobs. The package no longer reads :version, :release, :url, :verify_checksum, or :version_check. The release tag and download URL are baked in; bump the dep to upgrade. The :path knob is kept for developers running against a locally-built sibling checkout.

  • Removed APIs:

    Lightpanda.latest_version/0
Lightpanda.configured_version/0
Lightpanda.bin_version/0
Lightpanda.default_base_url/0
Lightpanda.maybe_warn_version_mismatch/0

    Added Lightpanda.release/0 returning the baked-in fork tag.

0.2.10-rc.2 — 2026-05-10

  • Default URL now points at the u2i fork build of Lightpanda. The fork carries a patch to send session cookies on the WebSocket upgrade request, fixing cookie-authenticated WS endpoints (e.g. Phoenix LiveView). Override :url to use upstream binaries (see README).
  • @latest_version bumped to "fork-2026-05-10" (the first u2i fork release tag).
  • @checksums reset to empty: the upstream-version SHAs no longer apply to fork builds. Verification is skipped with a warning until the fork release artifacts have published checksums. Users can also opt out explicitly via config :lightpanda, :verify_checksum, false.
  • New :verify_checksum config flag (defaults to true) — set false to silence the missing-checksum warning when pointing :url at a custom mirror or build.

0.2.10-rc.1

  • Lazy install on first invocation, concurrent-call deduplication, startup version-mismatch warning.

0.2.9 and earlier

  • See git log.