Bump posthog-js from 1.395.0 to 1.418.5 in /web

[dependabot]

Bumps posthog-js from 1.395.0 to 1.418.5.

Release notes

Sourced from posthog-js's releases.

posthog-js@1.418.5

1.418.5

Patch Changes

• #4572 9701637 Thanks @​ablaszkiewicz! - Stop counting Chromium <anonymous> stack frames (extension-injected, devtools or string-evaluated code) as in-app code. (2026-08-19)
• Updated dependencies [9701637]:
  • @​posthog/core@​1.48.5

posthog-js@1.418.4

1.418.4

Patch Changes

• #4309 b564d61 Thanks @​posthog! - Fix session recording in the full browser bundles. array.full.js and module.full.es.js only inlined rrweb, so they still fetched the recorder script at runtime - the request the full bundles exist to avoid. They now inline the whole recorder. Also flags the session with $sdk_debug_recording_script_not_loaded when the recorder script fails to load, so a blocked recorder is visible in analytics rather than only in the console. (2026-08-19)

posthog-js@1.418.3

1.418.3

Patch Changes

• #4558 3f9ba71 Thanks @​posthog! - Fall back to the synthetic exception stack when a captured Error has no stack, so frameless failures (such as a Firefox network fetch TypeError) keep their call-site frames and group per call site instead of merging into one issue. (2026-08-19)
• Updated dependencies [3f9ba71]:
  • @​posthog/core@​1.48.4

posthog-js@1.418.2

1.418.2

Patch Changes

• #4555 3e0edff Thanks @​HaynesPostHog! - Fix a Chrome renderer crash (grey "Aw, Snap" tab, "Error code: 5") that could still occur when closing an in-app survey on a heavy page such as a large dashboard.

  Closing a survey animated the fade-out with document.startViewTransition, which snapshots the entire page viewport. The survey applied no view-transition-name scoping, so on a heavy host page capturing that whole-page snapshot could exhaust renderer memory and crash the tab. A previous fix addressed a related crash (a snapshot pointing at a removed node) but left the document-level transition — and its whole-page snapshot cost — in place.

  The survey renders in an isolated shadow root, so it never needed a document-level transition. The close now fades the popup out with a plain CSS opacity transition scoped to the survey's own container, then unmounts it once the fade has run. No whole-page snapshot, no crash, same fade-out UX. (2026-08-19)

posthog-js@1.418.1

1.418.1

Patch Changes

• #4549 0599fe0 Thanks @​ablaszkiewicz! - Recognise Firefox and Safari extension frames when filtering extension exceptions, and stop counting Safari's masked webkit-masked-url:// frames as in-app code. (2026-08-18)
• Updated dependencies [0599fe0]:
  • @​posthog/core@​1.48.3

posthog-js@1.418.0

... (truncated)

Commits

• ef3d7f4 chore: update versions and lockfile [version bump]
• 9701637 fix(error-tracking): stop counting <anonymous> frames as in_app (#4572)
• 3e1b28a chore: update versions and lockfile [version bump]
• b564d61 fix(browser): inline the whole recorder in the full bundles (#4309)
• 4d9952f chore: update versions and lockfile [version bump]
• 3f9ba71 fix(error-tracking): fall back to synthetic stack for frameless errors (#4558)
• 9e7a421 test(node): add server SDK wire snapshots (#4544)
• 2bd85ee fix(ci): gate npm publishing on posthog-js S3 release (#4552)
• 802d3dc chore: update versions and lockfile [version bump]
• de7de16 fix(next): improve middleware proxy routing (#4568)
• Additional commits viewable in compare view

Greptile Summary

Updates the PostHog browser SDK and its locked transitive dependencies.

• Bumps posthog-js from 1.395.0 to 1.418.5.
• Refreshes the lockfile entries for PostHog packages, core-js, DOMPurify, Preact, and web-vitals.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains.

Important Files Changed

Filename	Overview
web/package.json	Updates the declared posthog-js dependency range to 1.418.5.
web/package-lock.json	Locks PostHog 1.418.5 and its updated transitive dependency graph.

_{Reviews (2): Last reviewed commit: "Bump posthog-js from 1.395.0 to 1.418.5 ..." | Re-trigger Greptile}

Note
Automatic rebases have been disabled on this pull request as it has been open for over 30 days.

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