Package
gitlab-rails-ce-19.1
Component
mermaid
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Build, ship, and run secure software with minimal, hardened container images — rebuilt from source daily and guarded under our industry-leading remediation SLA.
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Impact
mermaid 11.13.0 is a direct GitLab dependency (mermaid-v11 alias) bundled into the frontend assets. The fixed releases (11.15.0 / 11.16.1) add a dependency on es-toolkit, whose ESM build uses optional-chaining syntax that the GitLab 19.1 webpack 4 asset pipeline cannot parse: bumping mermaid fails gitlab:assets:compile with 'Module parse failed: Unexpected token' in es-toolkit/dist/*.mjs (verified 2026-09-03). GitLab 19.2+ transpile es-toolkit and are bumped; 19.1 requires upstream GitLab to backport that build support.
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