Remove the legacy trace viewer in favor of NewTraceViewer - #3296
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🦋 Changeset detectedLatest commit: 776cc74 The changes in this PR will be included in the next version bump. This PR includes changesets to release 16 packages
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VaguelySerious
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Aug 3, 2026
Drop RunTraceView and WorkflowTraceViewer, move shared Span/Trace types into lib/trace-types, and keep timing helpers under the new viewer. Co-authored-by: Cursor <cursoragent@cursor.com> Signed-off-by: mitul-s <mitulxshah@gmail.com> Co-authored-by: Cursor <cursoragent@cursor.com>
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Description
Deletes the old
@workflow/web-sharedtrace viewer (trace-viewer/,WorkflowTraceViewer,RunTraceView) now thatNewTraceVieweris the only consumer path.Shared
Span/SpanEvent/Tracetypes move tolib/trace-types(still exported from the package). Timing helpers and the CSS-module ambient declaration stay under the new viewer. README and the build script are updated accordingly. Breaking: drops theRunTraceViewandWorkflowTraceViewerpublic exports — useNewTraceViewer.How did you test your changes?
pnpm -F @workflow/web-sharedtypecheck (only pre-existingattribute-panelTS error remains; same on cleanmain)pnpm -F @workflow/web-shared lint— 0 errorspnpm -F @workflow/web-shared test— 154 tests passedpnpm -F @workflow/web test— 97 tests passedpackages/webonly usesNewTraceViewer/useWorkflowTraceViewerData(data hook, unrelated)PR Checklist - Required to merge
pnpm changesetwas run to create a changelog for this PRpatchfor bug fixes,minorfor new features,majorfor breaking changes.pnpm changeset --emptyif you are changing documentation or workbench appsgit commit --signoffon your commits)@vercel/workflowin a comment once the PR is ready, and the above checklist is completeMade with Cursor