build(deps): bump mermaid from 11.15.0 to 11.16.1

[dependabot]

Bumps mermaid from 11.15.0 to 11.16.1.

Release notes

Sourced from mermaid's releases.

mermaid@11.16.1

Patch Changes

• #8022 12d472c Thanks @​aloisklink! - fix: handle CSS sibling combinators in compileCSS

• #8022 2cd6dcf Thanks @​aloisklink! - fix: increase protections against prototype pollution

  User-controlled input already has protections against prototype pollution.

  Fixes: GHSA-c4c3-pg64-4m4v

• #8022 99af3fc Thanks @​aloisklink! - fix(architecture): use Maps and Sets to store groups/services

  Services are now rendered in the order they are defined and more service IDs are now supported.

• #8022 2cd6dcf Thanks @​aloisklink! - deprecate: Deprecate the mermaidAPI.setConfig() function

  Calling this function has no observable effect, as the next time a render() or parse() is called, the currentConfig is cleared.

• #8022 630aa7e Thanks @​aloisklink! - fix(xychart): support zero-width x-axis ranges

• #8022 59b22fa Thanks @​aloisklink! - fix(radar): limit number of ticks to 32

  Setting a ticks value higher than this would only show 32 ticks.

mermaid@11.16.0

Minor Changes

• #7535 ea1c48f Thanks @​ragelink! - feat(cynefin): Adds the Cynefin framework as a new diagram type (beta) to Mermaid (available as cynefin-beta). The Cynefin framework, created by Dave Snowden, is a decision-making framework that categorizes problems into five complexity domains, widely used in agile, incident management, strategy, and organizational design.

• #7721 f45cc2c Thanks @​notionparallax! - feat(treeView): add box-drawing character input support for treeView diagrams

• #7550 f1f4d45 Thanks @​DominicBurkart! - feat(xychart): add per-point text labels for xychart line plots

• #7527 b4d0442 Thanks @​notionparallax! - feat(treeView): Extends the existing treeView-beta diagram with features useful for representing file/directory structures.

• #7793 a6f097d Thanks @​SSDWGG! - feat(er): support optional ER attribute types with a ? suffix

• #7772 37f2e36 Thanks @​devareddy05! - feat(gantt): support multiple excludes / includes lines so long exclusion lists can be split into commented groups (#6270)

• #7708 4e63e9d Thanks @​txmxthy! - feat(architecture): add align row|column {ids…} directive to architecture-beta diagrams so authors can declare horizontal or vertical alignment of services explicitly.

• #7760 05223be Thanks @​ngdaniels! - feat(pie): Enhance Pie Chart - Enable donut chart, Set legend position, and highlight slice

• #7251 216e4e9 Thanks @​ydah! - feat(railroad): Add support for Railroad Diagrams (Syntax Diagrams) with four input syntaxes: IR (railroad-beta), EBNF (railroad-ebnf-beta), ABNF (railroad-abnf-beta), and PEG (railroad-peg-beta).

• #7774 e5c75e6 Thanks @​ngdaniels! - feat(xychart): enable rotate label on X-axis

... (truncated)

Commits

• 7ecca0c Version Packages (#8023)
• 95b1b9c docs: change mermaidAPI.setConfig() changeset (#8024)
• acc69f1 Merge pull request #8022 from mermaid-js/release/11.16.1
• eba7287 docs: point changesets to correct commit hashes
• 12d472c Merge commit from fork
• 2cd6dcf Merge commit from fork
• 630aa7e Merge commit from fork
• 59b22fa Merge commit from fork
• 99af3fc Merge commit from fork
• 2337f7e Merge branch 'test/improve-example.html' into release/11.16.1
• Additional commits viewable in compare view

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[github-actions]

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PR Review: build(deps): bump mermaid from 11.15.0 to 11.16.1 (#203)

Scope

Dependabot dependency bump. Only package.json and package-lock.json changed; **no application source code touAll checks pass. Writing the review
Review complete — report written to review_report.md.

Verdict: ✅ Approve. This is a Dependabot bump of mermaid ^11.15.0 → ^11.16.1 (package.json + lockfile only, no app code).

Key findings:

• Security-motivated: 11.16.0 backports 5 CVEs (CSS sanitization, stylis scope escape); 11.16.1 fixes GHSA-c4c3-pg64-4m4v prototype pollution. Project usage (mermaid.initialize()/render() in src/services/pltxt2htm/advancedParser.ts:22-45) is unaffected.
• Verified locally: npm ci ✅ (948 pkgs), npm run build -- --mode production ✅, npm run eslint ✅ (0 errors).
• 🟡 One note: the lockfile churn drops esbuild@0.28.1 + 28 @esbuild/* binaries (~530 lines) unrelated to the bump — harmless since vite 8 uses rolldown and esbuild is now only an optional peer, but worth being aware of.
• PR merge ref equals origin/main (already merged).
  unaffected by 11.16.x. The deprecated mermaidAPI.setConfig() has no bearing on this project.
• Security value (this is the main reason to bump): 11.16.0 backports 5 security fixes (CVE-2026-41150/41148/41149/41159/41907 — gantt loop, CSS sanitization via CSSOM, stylis scope escape, uuid range); 11.16.1 adds GHSA-c4c3-pg64-4m4v prototype-pollution hardening and a CSS sibling-combinator fix. Combined with the existing securityLevel: 'strict' config, diagram rendering becomes notably safer.
• Semver: ^11.15.0 already resolves to 11.16.1 for fresh installs; this bump pins the minimum so cached/stale 11.15.x installs converge. Low breaking-change risk within the same major.

Concerns

🟡 Unrelated lockfile churn — esbuild dropped from the lockfile. The regenerated lockfile deletes esbuild@0.28.1 and all 28 @esbuild/* platform binaries (~530 lines removed), which has nothing to do with the mermaid bump. I verified this is benign: vite 8.0.16 bundles with rolldown and lists esbuild only as an optional peer, npm ci and the production build both succeed without it, and no source/config file references esbuild. Still, a dependabot PR ideally shouldn't carry unrelated lockfile changes; please confirm the lockfile was regenerated deliberately (or accept the churn knowingly) to avoid surprising diffs on future bumps.

Decision

✅ Approve. Security-motivated, patch-level bump with no breaking API impact; all CI-equivalent gates (npm ci, build, lint) verified locally. The only note is the unrelated esbuild lockfile churn, which is confirmed harmless but worth being aware of.