chore: add changeset

on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>
fix:gant chart crashing in browser
2025-09-16 05:49:43 +02:00 · 2025-09-15 12:42:25 +05:30 · 2025-09-15 12:42:24 +05:30
35 changed files with 6182 additions and 4781 deletions
--- a/.changeset/moody-fans-try.md
+++ b/.changeset/moody-fans-try.md
@@ -0,0 +1,5 @@
+---
+'mermaid': patch
+---
+
+fix: Resolve gantt chart crash due to invalid array length
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -36,7 +36,7 @@ jobs:

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
-        uses: github/codeql-action/init@5378192d256ef1302a6980fffe5ca04426d43091 # v3.28.21
+        uses: github/codeql-action/init@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3.28.10
        with:
          config-file: ./.github/codeql/codeql-config.yml
          languages: ${{ matrix.language }}
@@ -48,7 +48,7 @@ jobs:
      # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
      # If this step fails, then you should remove it and run the build manually (see below)
      - name: Autobuild
-        uses: github/codeql-action/autobuild@5378192d256ef1302a6980fffe5ca04426d43091 # v3.28.21
+        uses: github/codeql-action/autobuild@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3.28.10

      # ℹ️ Command-line programs to run using the OS shell.
      # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
@@ -62,4 +62,4 @@ jobs:
      #   make release

      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@5378192d256ef1302a6980fffe5ca04426d43091 # v3.28.21
+        uses: github/codeql-action/analyze@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3.28.10
--- a/.github/workflows/e2e-applitools.yml
+++ b/.github/workflows/e2e-applitools.yml
@@ -53,7 +53,7 @@ jobs:
          args: -X POST "$APPLITOOLS_SERVER_URL/api/externals/github/push?apiKey=$APPLITOOLS_API_KEY&CommitSha=$GITHUB_SHA&BranchName=${APPLITOOLS_BRANCH}$&ParentBranchName=$APPLITOOLS_PARENT_BRANCH"

      - name: Cypress run
-        uses: cypress-io/github-action@108b8684ae52e735ff7891524cbffbcd4be5b19f # v6.7.16
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
        id: cypress
        with:
          start: pnpm run dev
--- a/.github/workflows/e2e-timings.yml
+++ b/.github/workflows/e2e-timings.yml
@@ -27,12 +27,12 @@ jobs:
        with:
          node-version-file: '.node-version'
      - name: Install dependencies
-        uses: cypress-io/github-action@108b8684ae52e735ff7891524cbffbcd4be5b19f # v6.7.16
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
        with:
          runTests: false

      - name: Cypress run
-        uses: cypress-io/github-action@108b8684ae52e735ff7891524cbffbcd4be5b19f # v6.7.16
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
        id: cypress
        with:
          install: false
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -45,7 +45,7 @@ jobs:
          node-version-file: '.node-version'
      - name: Cache snapshots
        id: cache-snapshot
-        uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
+        uses: actions/cache@0c907a75c2c80ebcb7f088228285e798b750cf8f # v4.2.1
        with:
          path: ./cypress/snapshots
          key: ${{ runner.os }}-snapshots-${{ env.targetHash }}
@@ -59,7 +59,7 @@ jobs:

      - name: Install dependencies
        if: ${{ steps.cache-snapshot.outputs.cache-hit != 'true' }}
-        uses: cypress-io/github-action@108b8684ae52e735ff7891524cbffbcd4be5b19f # v6.7.16
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
        with:
          # just perform install
          runTests: false
@@ -95,13 +95,13 @@ jobs:
      # These cached snapshots are downloaded, providing the reference snapshots.
      - name: Cache snapshots
        id: cache-snapshot
-        uses: actions/cache/restore@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
+        uses: actions/cache/restore@0c907a75c2c80ebcb7f088228285e798b750cf8f # v4.2.1
        with:
          path: ./cypress/snapshots
          key: ${{ runner.os }}-snapshots-${{ env.targetHash }}

      - name: Install dependencies
-        uses: cypress-io/github-action@108b8684ae52e735ff7891524cbffbcd4be5b19f # v6.7.16
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
        with:
          runTests: false

@@ -117,7 +117,7 @@ jobs:
      # Install NPM dependencies, cache them correctly
      # and run all Cypress tests
      - name: Cypress run
-        uses: cypress-io/github-action@108b8684ae52e735ff7891524cbffbcd4be5b19f # v6.7.16
+        uses: cypress-io/github-action@18a6541367f4580a515371905f499a27a44e8dbe # v6.7.12
        id: cypress
        with:
          install: false
--- a/.github/workflows/link-checker.yml
+++ b/.github/workflows/link-checker.yml
@@ -32,7 +32,7 @@ jobs:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - name: Restore lychee cache
-        uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
+        uses: actions/cache@0c907a75c2c80ebcb7f088228285e798b750cf8f # v4.2.1
        with:
          path: .lycheecache
          key: cache-lychee-${{ github.sha }}
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,7 +36,7 @@ jobs:

      - name: Create Release Pull Request or Publish to npm
        id: changesets
-        uses: changesets/action@06245a4e0a36c064a573d4150030f5ec548e4fcc # v1.4.10
+        uses: changesets/action@c8bada60c408975afd1a20b3db81d6eee6789308 # v1.4.9
        with:
          version: pnpm changeset:version
          publish: pnpm changeset:publish
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -20,18 +20,18 @@ jobs:
        with:
          persist-credentials: false
      - name: Run analysis
-        uses: ossf/scorecard-action@05b42c624433fc40578a4040d5cf5e36ddca8cde # v2.4.2
+        uses: ossf/scorecard-action@f49aabe0b5af0936a0987cfb85d86b75731b0186 # v2.4.1
        with:
          results_file: results.sarif
          results_format: sarif
          publish_results: true
      - name: Upload artifact
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4.6.1
        with:
          name: SARIF file
          path: results.sarif
          retention-days: 5
      - name: Upload to code-scanning
-        uses: github/codeql-action/upload-sarif@5378192d256ef1302a6980fffe5ca04426d43091 # v3.28.21
+        uses: github/codeql-action/upload-sarif@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3.28.10
        with:
          sarif_file: results.sarif
--- a/.github/workflows/update-browserlist.yml
+++ b/.github/workflows/update-browserlist.yml
@@ -19,7 +19,7 @@ jobs:
          message: 'chore: update browsers list'
          push: false
      - name: Create Pull Request
-        uses: peter-evans/create-pull-request@271a8d0340265f705b14b6d32b9829c1cb33d45e # v7.0.8
+        uses: peter-evans/create-pull-request@67ccf781d68cd99b580ae25a5c18a1cc84ffff1f # v7.0.6
        with:
          branch: update-browserslist
          title: Update Browserslist
--- a/cypress/integration/rendering/gantt.spec.js
+++ b/cypress/integration/rendering/gantt.spec.js
@@ -803,4 +803,34 @@ describe('Gantt diagram', () => {
      {}
    );
  });
+  it('should handle numeric timestamps with dateFormat x', () => {
+    imgSnapshotTest(
+      `
+     gantt
+     title Process time profile (ms)
+     dateFormat x
+     axisFormat %L
+     tickInterval 250millisecond
+
+     section Pipeline
+     Parse JSON p1: 000, 120
+    `,
+      {}
+    );
+  });
+  it('should handle numeric timestamps with dateFormat X', () => {
+    imgSnapshotTest(
+      `
+     gantt
+     title Process time profile (ms)
+     dateFormat X
+     axisFormat %L
+     tickInterval 250millisecond
+
+     section Pipeline
+     Parse JSON p1: 000, 120
+    `,
+      {}
+    );
+  });
 });
--- a/demos/er-multiline.html
+++ b/demos/er-multiline.html
@@ -11,7 +11,7 @@
      rel="stylesheet"
    />
    <link
-      href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css"
+      href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css"
      rel="stylesheet"
    />
    <link
--- a/docs/community/contributing.md
+++ b/docs/community/contributing.md
@@ -29,8 +29,7 @@ In GitHub, you first [**fork a mermaid repository**](https://github.com/mermaid-

 Then you **clone** a copy to your local development machine (e.g. where you code) to make a copy with all the files to work with.

-> **💡 Tip**
-> [Here is a GitHub document that gives an overview of the process](https://docs.github.com/en/get-started/quickstart/fork-a-repo).
+> **💡 Tip** > [Here is a GitHub document that gives an overview of the process](https://docs.github.com/en/get-started/quickstart/fork-a-repo).

 ```bash
 git clone git@github.com/your-fork/mermaid
--- a/docs/community/intro.md
+++ b/docs/community/intro.md
@@ -33,8 +33,7 @@ mindmap

 ## Join the Development

-> **💡 Tip**
-> **Check out our** [**detailed contribution guide**](./contributing.md).
+> **💡 Tip** > **Check out our** [**detailed contribution guide**](./contributing.md).

 Where to start:

@@ -48,8 +47,7 @@ Where to start:

 ## A Question Or a Suggestion?

-> **💡 Tip**
-> **Have a look at** [**how to open an issue**](./questions-and-suggestions.md).
+> **💡 Tip** > **Have a look at** [**how to open an issue**](./questions-and-suggestions.md).

 If you have faced a vulnerability [report it to us](./security.md).

--- a/docs/config/directives.md
+++ b/docs/config/directives.md
@@ -22,6 +22,7 @@ While directives allow you to change most of the default configuration settings,
 Mermaid basically supports two types of configuration options to be overridden by directives.

 1. _General/Top Level configurations_ : These are the configurations that are available and applied to all the diagram. **Some of the most important top-level** configurations are:
+
   - theme
   - fontFamily
   - logLevel
--- a/docs/ecosystem/mermaid-chart.md
+++ b/docs/ecosystem/mermaid-chart.md
@@ -29,6 +29,7 @@ Try the Ultimate AI, Mermaid, and Visual Diagramming Suite by creating an accoun
 - **Plugins** - A plugin system for extending the functionality of Mermaid.

  Official Mermaid Chart plugins:
+
  - [Mermaid Chart GPT](https://chatgpt.com/g/g-684cc36f30208191b21383b88650a45d-mermaid-chart-diagrams-and-charts)
  - [Confluence](https://marketplace.atlassian.com/apps/1234056/mermaid-chart-for-confluence?hosting=cloud&tab=overview)
  - [Jira](https://marketplace.atlassian.com/apps/1234810/mermaid-chart-for-jira?tab=overview&hosting=cloud)
--- a/docs/news/announcements.md
+++ b/docs/news/announcements.md
@@ -35,11 +35,13 @@ The Mermaid Chart team is excited to introduce a new Visual Editor for Flowchart
 Learn more:

 - Visual Editor For Flowcharts
+
  - [Blog post](https://www.mermaidchart.com/blog/posts/mermaid-chart-releases-new-visual-editor-for-flowcharts)

  - [Demo video](https://www.youtube.com/watch?v=5aja0gijoO0)

 - Visual Editor For Sequence diagrams
+
  - [Blog post](https://www.mermaidchart.com/blog/posts/mermaid-chart-unveils-visual-editor-for-sequence-diagrams)

  - [Demo video](https://youtu.be/imc2u5_N6Dc)
--- a/docs/syntax/c4.md
+++ b/docs/syntax/c4.md
@@ -139,6 +139,7 @@ The following unfinished features are not supported in the short term.
 - [ ] Legend

 - [x] System Context
+
  - [x] Person(alias, label, ?descr, ?sprite, ?tags, $link)
  - [x] Person_Ext
  - [x] System(alias, label, ?descr, ?sprite, ?tags, $link)
@@ -152,6 +153,7 @@ The following unfinished features are not supported in the short term.
  - [x] System_Boundary

 - [x] Container diagram
+
  - [x] Container(alias, label, ?techn, ?descr, ?sprite, ?tags, $link)
  - [x] ContainerDb
  - [x] ContainerQueue
@@ -161,6 +163,7 @@ The following unfinished features are not supported in the short term.
  - [x] Container_Boundary(alias, label, ?tags, $link)

 - [x] Component diagram
+
  - [x] Component(alias, label, ?techn, ?descr, ?sprite, ?tags, $link)
  - [x] ComponentDb
  - [x] ComponentQueue
@@ -169,15 +172,18 @@ The following unfinished features are not supported in the short term.
  - [x] ComponentQueue_Ext

 - [x] Dynamic diagram
+
  - [x] RelIndex(index, from, to, label, ?tags, $link)

 - [x] Deployment diagram
+
  - [x] Deployment_Node(alias, label, ?type, ?descr, ?sprite, ?tags, $link)
  - [x] Node(alias, label, ?type, ?descr, ?sprite, ?tags, $link): short name of Deployment_Node()
  - [x] Node_L(alias, label, ?type, ?descr, ?sprite, ?tags, $link): left aligned Node()
  - [x] Node_R(alias, label, ?type, ?descr, ?sprite, ?tags, $link): right aligned Node()

 - [x] Relationship Types
+
  - [x] Rel(from, to, label, ?techn, ?descr, ?sprite, ?tags, $link)
  - [x] BiRel (bidirectional relationship)
  - [x] Rel_U, Rel_Up
--- a/docs/syntax/gantt.md
+++ b/docs/syntax/gantt.md
@@ -360,8 +360,7 @@ gantt
  weekday monday
 ```

-> **Warning**
-> `millisecond` and `second` support was added in v10.3.0
+> **Warning** > `millisecond` and `second` support was added in v10.3.0

 ## Output in compact mode

--- a/package.json
+++ b/package.json
@@ -64,35 +64,35 @@
  },
  "devDependencies": {
    "@applitools/eyes-cypress": "^3.44.9",
-    "@argos-ci/cypress": "^5.0.7",
+    "@argos-ci/cypress": "^5.0.2",
    "@changesets/changelog-github": "^0.5.1",
    "@changesets/cli": "^2.27.12",
    "@cspell/eslint-plugin": "^8.19.4",
    "@cypress/code-coverage": "^3.12.49",
    "@eslint/js": "^9.26.0",
-    "@rollup/plugin-typescript": "^12.1.4",
-    "@types/cors": "^2.8.19",
-    "@types/express": "^5.0.3",
+    "@rollup/plugin-typescript": "^12.1.2",
+    "@types/cors": "^2.8.17",
+    "@types/express": "^5.0.0",
    "@types/js-yaml": "^4.0.9",
    "@types/jsdom": "^21.1.7",
-    "@types/lodash": "^4.17.20",
+    "@types/lodash": "^4.17.15",
    "@types/mdast": "^4.0.4",
-    "@types/node": "^22.13.17",
+    "@types/node": "^22.13.5",
    "@types/rollup-plugin-visualizer": "^5.0.3",
-    "@vitest/coverage-v8": "^3.0.9",
-    "@vitest/spy": "^3.0.9",
-    "@vitest/ui": "^3.0.9",
+    "@vitest/coverage-v8": "^3.0.6",
+    "@vitest/spy": "^3.0.6",
+    "@vitest/ui": "^3.0.6",
    "ajv": "^8.17.1",
    "chokidar": "3.6.0",
    "concurrently": "^9.1.2",
    "cors": "^2.8.5",
    "cpy-cli": "^5.0.0",
    "cross-env": "^7.0.3",
-    "cspell": "^9.1.5",
-    "cypress": "^14.5.4",
+    "cspell": "^9.1.3",
+    "cypress": "^14.5.1",
    "cypress-image-snapshot": "^4.0.1",
-    "cypress-split": "^1.24.21",
-    "esbuild": "^0.25.9",
+    "cypress-split": "^1.24.14",
+    "esbuild": "^0.25.0",
    "eslint": "^9.26.0",
    "eslint-config-prettier": "^10.1.8",
    "eslint-plugin-cypress": "^4.3.0",
@@ -107,29 +107,29 @@
    "eslint-plugin-unicorn": "^59.0.1",
    "express": "^5.1.0",
    "globals": "^16.0.0",
-    "globby": "^14.1.0",
+    "globby": "^14.0.2",
    "husky": "^9.1.7",
-    "jest": "^30.0.5",
+    "jest": "^30.0.4",
    "jison": "^0.4.18",
    "js-yaml": "^4.1.0",
    "jsdom": "^26.1.0",
    "langium-cli": "3.3.0",
-    "lint-staged": "^16.1.6",
+    "lint-staged": "^16.1.2",
    "markdown-table": "^3.0.4",
    "nyc": "^17.1.0",
    "path-browserify": "^1.0.1",
-    "prettier": "^3.5.3",
-    "prettier-plugin-jsdoc": "^1.3.3",
+    "prettier": "^3.5.2",
+    "prettier-plugin-jsdoc": "^1.3.2",
    "rimraf": "^6.0.1",
    "rollup-plugin-visualizer": "^6.0.3",
-    "start-server-and-test": "^2.0.13",
+    "start-server-and-test": "^2.0.10",
    "tslib": "^2.8.1",
    "tsx": "^4.7.3",
    "typescript": "~5.7.3",
    "typescript-eslint": "^8.38.0",
-    "vite": "^7.0.6",
+    "vite": "^7.0.3",
    "vite-plugin-istanbul": "^7.0.0",
-    "vitest": "^3.0.9"
+    "vitest": "^3.0.6"
  },
  "nyc": {
    "report-dir": "coverage/cypress"
--- a/packages/mermaid-example-diagram/package.json
+++ b/packages/mermaid-example-diagram/package.json
@@ -37,7 +37,7 @@
    ]
  },
  "dependencies": {
-    "@braintree/sanitize-url": "^7.1.1",
+    "@braintree/sanitize-url": "^7.0.4",
    "d3": "^7.9.0",
    "khroma": "^2.1.0"
  },
--- a/packages/mermaid/CHANGELOG.md
+++ b/packages/mermaid/CHANGELOG.md
@@ -154,6 +154,7 @@
 ### Minor Changes

 - [#6408](https://github.com/mermaid-js/mermaid/pull/6408) [`ad65313`](https://github.com/mermaid-js/mermaid/commit/ad653138e16765d095613a6e5de86dc5e52ac8f0) Thanks [@ashishjain0512](https://github.com/ashishjain0512)! - fix: restore curve type configuration functionality for flowcharts. This fixes the issue where curve type settings were not being applied when configured through any of the following methods:
+
  - Config
  - Init directive (%%{ init: { 'flowchart': { 'curve': '...' } } }%%)
  - LinkStyle command (linkStyle default interpolate ...)
@@ -172,12 +173,14 @@
 ### Minor Changes

 - [#6187](https://github.com/mermaid-js/mermaid/pull/6187) [`7809b5a`](https://github.com/mermaid-js/mermaid/commit/7809b5a93fae127f45727071f5ff14325222c518) Thanks [@ashishjain0512](https://github.com/ashishjain0512)! - Flowchart new syntax for node metadata bugs
+
  - Incorrect label mapping for nodes when using `&`
  - Syntax error when `}` with trailing spaces before new line

 - [#6136](https://github.com/mermaid-js/mermaid/pull/6136) [`ec0d9c3`](https://github.com/mermaid-js/mermaid/commit/ec0d9c389aa6018043187654044c1e0b5aa4f600) Thanks [@knsv](https://github.com/knsv)! - Adding support for animation of flowchart edges

 - [#6373](https://github.com/mermaid-js/mermaid/pull/6373) [`05bdf0e`](https://github.com/mermaid-js/mermaid/commit/05bdf0e20e2629fe77513218fbd4e28e65f75882) Thanks [@ashishjain0512](https://github.com/ashishjain0512)! - Upgrade Requirement and ER diagram to use the common renderer flow
+
  - Added support for directions
  - Added support for hand drawn look

--- a/packages/mermaid/package.json
+++ b/packages/mermaid/package.json
@@ -67,7 +67,7 @@
    ]
  },
  "dependencies": {
-    "@braintree/sanitize-url": "^7.1.1",
+    "@braintree/sanitize-url": "^7.0.4",
    "@iconify/utils": "^3.0.1",
    "@mermaid-js/parser": "workspace:^",
    "@types/d3": "^7.4.3",
@@ -77,19 +77,19 @@
    "d3": "^7.9.0",
    "d3-sankey": "^0.12.3",
    "dagre-d3-es": "7.0.11",
-    "dayjs": "^1.11.18",
+    "dayjs": "^1.11.13",
    "dompurify": "^3.2.5",
    "katex": "^0.16.22",
    "khroma": "^2.1.0",
    "lodash-es": "^4.17.21",
-    "marked": "^16.2.1",
+    "marked": "^16.0.0",
    "roughjs": "^4.6.6",
    "stylis": "^4.3.6",
    "ts-dedent": "^2.2.0",
    "uuid": "^11.1.0"
  },
  "devDependencies": {
-    "@adobe/jsonschema2md": "^8.0.5",
+    "@adobe/jsonschema2md": "^8.0.2",
    "@iconify/types": "^2.0.0",
    "@types/cytoscape": "^3.21.9",
    "@types/cytoscape-fcose": "^2.2.4",
@@ -105,30 +105,30 @@
    "@types/stylis": "^4.2.7",
    "@types/uuid": "^10.0.0",
    "ajv": "^8.17.1",
-    "canvas": "^3.1.2",
+    "canvas": "^3.1.0",
    "chokidar": "3.6.0",
    "concurrently": "^9.1.2",
    "csstree-validator": "^4.0.1",
-    "globby": "^14.1.0",
+    "globby": "^14.0.2",
    "jison": "^0.4.18",
-    "js-base64": "^3.7.8",
+    "js-base64": "^3.7.7",
    "jsdom": "^26.1.0",
    "json-schema-to-typescript": "^15.0.4",
    "micromatch": "^4.0.8",
    "path-browserify": "^1.0.1",
-    "prettier": "^3.5.3",
+    "prettier": "^3.5.2",
    "remark": "^15.0.1",
    "remark-frontmatter": "^5.0.0",
    "remark-gfm": "^4.0.1",
    "rimraf": "^6.0.1",
-    "start-server-and-test": "^2.0.13",
+    "start-server-and-test": "^2.0.10",
    "type-fest": "^4.35.0",
-    "typedoc": "^0.28.12",
-    "typedoc-plugin-markdown": "^4.8.1",
+    "typedoc": "^0.28.9",
+    "typedoc-plugin-markdown": "^4.8.0",
    "typescript": "~5.7.3",
    "unist-util-flatmap": "^1.0.0",
    "unist-util-visit": "^5.0.0",
-    "vitepress": "^1.6.4",
+    "vitepress": "^1.0.2",
    "vitepress-plugin-search": "1.0.4-alpha.22"
  },
  "files": [
--- a/packages/mermaid/src/diagrams/gantt/ganttDb.js
+++ b/packages/mermaid/src/diagrams/gantt/ganttDb.js
@@ -268,7 +268,9 @@ const fixTaskDates = function (startTime, endTime, dateFormat, excludes, include

 const getStartDate = function (prevTime, dateFormat, str) {
  str = str.trim();
-
+  if ((dateFormat.trim() === 'x' || dateFormat.trim() === 'X') && /^\d+$/.test(str)) {
+    return new Date(Number(str));
+  }
  // Test for after
  const afterRePattern = /^after\s+(?<ids>[\d\w- ]+)/;
  const afterStatement = afterRePattern.exec(str);
--- a/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts
+++ b/packages/mermaid/src/diagrams/mindmap/mindmapDb.ts
@@ -37,7 +37,6 @@ export class MindmapDB {
  private nodes: MindmapNode[] = [];
  private count = 0;
  private elements: Record<number, D3Element> = {};
-  private baseLevel?: number;
  public readonly nodeType: typeof nodeType;

  constructor() {
@@ -55,7 +54,6 @@ export class MindmapDB {
    this.nodes = [];
    this.count = 0;
    this.elements = {};
-    this.baseLevel = undefined;
  }

  public getParent(level: number): MindmapNode | null {
@@ -74,17 +72,6 @@ export class MindmapDB {
  public addNode(level: number, id: string, descr: string, type: number): void {
    log.info('addNode', level, id, descr, type);

-    let isRoot = false;
-
-    if (this.nodes.length === 0) {
-      this.baseLevel = level;
-      level = 0;
-      isRoot = true;
-    } else if (this.baseLevel !== undefined) {
-      level = level - this.baseLevel;
-      isRoot = false;
-    }
-
    const conf = getConfig();
    let padding = conf.mindmap?.padding ?? defaultConfig.mindmap.padding;

@@ -105,7 +92,6 @@ export class MindmapDB {
      children: [],
      width: conf.mindmap?.maxNodeWidth ?? defaultConfig.mindmap.maxNodeWidth,
      padding,
-      isRoot,
    };

    const parent = this.getParent(level);
@@ -113,7 +99,7 @@ export class MindmapDB {
      parent.children.push(node);
      this.nodes.push(node);
    } else {
-      if (isRoot) {
+      if (this.nodes.length === 0) {
        this.nodes.push(node);
      } else {
        throw new Error(
@@ -218,7 +204,8 @@ export class MindmapDB {
    // Build CSS classes for the node
    const cssClasses = ['mindmap-node'];

-    if (node.isRoot === true) {
+    // Add section-specific classes
+    if (node.level === 0) {
      // Root node gets special classes
      cssClasses.push('section-root', 'section--1');
    } else if (node.section !== undefined) {
--- a/packages/mermaid/src/diagrams/mindmap/mindmapTypes.ts
+++ b/packages/mermaid/src/diagrams/mindmap/mindmapTypes.ts
@@ -15,7 +15,6 @@ export interface MindmapNode {
  icon?: string;
  x?: number;
  y?: number;
-  isRoot?: boolean;
 }

 export type FilledMindMapNode = RequiredDeep<MindmapNode>;
--- a/packages/mermaid/src/docs/.vitepress/theme/mermaid.ts
+++ b/packages/mermaid/src/docs/.vitepress/theme/mermaid.ts
@@ -1,13 +1,7 @@
 import mermaid, { type MermaidConfig } from 'mermaid';
 import zenuml from '../../../../../mermaid-zenuml/dist/mermaid-zenuml.core.mjs';
-import tidyTreeLayout from '../../../../../mermaid-layout-tidy-tree/dist/mermaid-layout-tidy-tree.core.mjs';
-import layouts from '../../../../../mermaid-layout-elk/dist/mermaid-layout-elk.core.mjs';

-const init = Promise.all([
-  mermaid.registerExternalDiagrams([zenuml]),
-  mermaid.registerLayoutLoaders(layouts),
-  mermaid.registerLayoutLoaders(tidyTreeLayout),
-]);
+const init = mermaid.registerExternalDiagrams([zenuml]);
 mermaid.registerIconPacks([
  {
    name: 'logos',
--- a/packages/mermaid/src/docs/config/directives.md
+++ b/packages/mermaid/src/docs/config/directives.md
@@ -17,6 +17,7 @@ While directives allow you to change most of the default configuration settings,
 Mermaid basically supports two types of configuration options to be overridden by directives.

 1. _General/Top Level configurations_ : These are the configurations that are available and applied to all the diagram. **Some of the most important top-level** configurations are:
+
   - theme
   - fontFamily
   - logLevel
--- a/packages/mermaid/src/docs/ecosystem/mermaid-chart.md
+++ b/packages/mermaid/src/docs/ecosystem/mermaid-chart.md
@@ -23,6 +23,7 @@ Try the Ultimate AI, Mermaid, and Visual Diagramming Suite by creating an accoun
 - **Plugins** - A plugin system for extending the functionality of Mermaid.

  Official Mermaid Chart plugins:
+
  - [Mermaid Chart GPT](https://chatgpt.com/g/g-684cc36f30208191b21383b88650a45d-mermaid-chart-diagrams-and-charts)
  - [Confluence](https://marketplace.atlassian.com/apps/1234056/mermaid-chart-for-confluence?hosting=cloud&tab=overview)
  - [Jira](https://marketplace.atlassian.com/apps/1234810/mermaid-chart-for-jira?tab=overview&hosting=cloud)
--- a/packages/mermaid/src/docs/news/announcements.md
+++ b/packages/mermaid/src/docs/news/announcements.md
@@ -33,11 +33,13 @@ The Mermaid Chart team is excited to introduce a new Visual Editor for Flowchart
 Learn more:

 - Visual Editor For Flowcharts
+
  - [Blog post](https://www.mermaidchart.com/blog/posts/mermaid-chart-releases-new-visual-editor-for-flowcharts)

  - [Demo video](https://www.youtube.com/watch?v=5aja0gijoO0)

 - Visual Editor For Sequence diagrams
+
  - [Blog post](https://www.mermaidchart.com/blog/posts/mermaid-chart-unveils-visual-editor-for-sequence-diagrams)

  - [Demo video](https://youtu.be/imc2u5_N6Dc)
--- a/packages/mermaid/src/docs/package.json
+++ b/packages/mermaid/src/docs/package.json
@@ -21,19 +21,19 @@
    "font-awesome": "^4.7.0",
    "jiti": "^2.4.2",
    "mermaid": "workspace:^",
-    "vue": "^3.5.21"
+    "vue": "^3.4.38"
  },
  "devDependencies": {
-    "@iconify-json/carbon": "^1.2.13",
+    "@iconify-json/carbon": "^1.1.37",
    "@unocss/reset": "^66.0.0",
    "@vite-pwa/vitepress": "^1.0.0",
-    "@vitejs/plugin-vue": "^6.0.1",
+    "@vitejs/plugin-vue": "^6.0.0",
    "fast-glob": "^3.3.3",
    "https-localhost": "^4.7.1",
    "pathe": "^2.0.3",
    "unocss": "^66.4.2",
    "unplugin-vue-components": "^28.4.0",
-    "vite": "^7.0.0",
+    "vite": "^6.1.1",
    "vite-plugin-pwa": "^1.0.0",
    "vitepress": "1.6.3",
    "workbox-window": "^7.3.0"
--- a/packages/mermaid/src/docs/syntax/c4.md
+++ b/packages/mermaid/src/docs/syntax/c4.md
@@ -83,6 +83,7 @@ The following unfinished features are not supported in the short term.
 - [ ] Legend

 - [x] System Context
+
  - [x] Person(alias, label, ?descr, ?sprite, ?tags, $link)
  - [x] Person_Ext
  - [x] System(alias, label, ?descr, ?sprite, ?tags, $link)
@@ -96,6 +97,7 @@ The following unfinished features are not supported in the short term.
  - [x] System_Boundary

 - [x] Container diagram
+
  - [x] Container(alias, label, ?techn, ?descr, ?sprite, ?tags, $link)
  - [x] ContainerDb
  - [x] ContainerQueue
@@ -105,6 +107,7 @@ The following unfinished features are not supported in the short term.
  - [x] Container_Boundary(alias, label, ?tags, $link)

 - [x] Component diagram
+
  - [x] Component(alias, label, ?techn, ?descr, ?sprite, ?tags, $link)
  - [x] ComponentDb
  - [x] ComponentQueue
@@ -113,15 +116,18 @@ The following unfinished features are not supported in the short term.
  - [x] ComponentQueue_Ext

 - [x] Dynamic diagram
+
  - [x] RelIndex(index, from, to, label, ?tags, $link)

 - [x] Deployment diagram
+
  - [x] Deployment_Node(alias, label, ?type, ?descr, ?sprite, ?tags, $link)
  - [x] Node(alias, label, ?type, ?descr, ?sprite, ?tags, $link): short name of Deployment_Node()
  - [x] Node_L(alias, label, ?type, ?descr, ?sprite, ?tags, $link): left aligned Node()
  - [x] Node_R(alias, label, ?type, ?descr, ?sprite, ?tags, $link): right aligned Node()

 - [x] Relationship Types
+
  - [x] Rel(from, to, label, ?techn, ?descr, ?sprite, ?tags, $link)
  - [x] BiRel (bidirectional relationship)
  - [x] Rel_U, Rel_Up
--- a/packages/mermaid/src/docs/vite.config.ts
+++ b/packages/mermaid/src/docs/vite.config.ts
@@ -13,10 +13,6 @@ const virtualModuleId = 'virtual:mermaid-config';
 const resolvedVirtualModuleId = '\0' + virtualModuleId;

 export default defineConfig({
-  build: {
-    // Vite v7 changes the default target and drops old browser support
-    target: 'modules',
-  },
  optimizeDeps: {
    // vitepress is aliased with replacement `join(DIST_CLIENT_PATH, '/index')`
    // This needs to be excluded from optimization
--- a/packages/parser/README.md
+++ b/packages/parser/README.md
@@ -44,15 +44,18 @@ ValueConverter -->> Package: Return AST
 ```

 - When to override `TokenBuilder`?
+
  - To override keyword rules.
  - To override terminal rules that need a custom function.
  - To manually reorder the list of rules.

 - When to override `Lexer`?
+
  - To modify input before tokenizing.
  - To insert/modify tokens that cannot or have not been parsed.

 - When to override `LangiumParser`?
+
  - To insert or modify attributes that can't be parsed.

 - When to override `ValueConverter`?
--- a/packages/tiny/CHANGELOG.md
+++ b/packages/tiny/CHANGELOG.md
@@ -154,6 +154,7 @@
 ### Minor Changes

 - [#6408](https://github.com/mermaid-js/mermaid/pull/6408) [`ad65313`](https://github.com/mermaid-js/mermaid/commit/ad653138e16765d095613a6e5de86dc5e52ac8f0) Thanks [@ashishjain0512](https://github.com/ashishjain0512)! - fix: restore curve type configuration functionality for flowcharts. This fixes the issue where curve type settings were not being applied when configured through any of the following methods:
+
  - Config
  - Init directive (%%{ init: { 'flowchart': { 'curve': '...' } } }%%)
  - LinkStyle command (linkStyle default interpolate ...)
@@ -172,12 +173,14 @@
 ### Minor Changes

 - [#6187](https://github.com/mermaid-js/mermaid/pull/6187) [`7809b5a`](https://github.com/mermaid-js/mermaid/commit/7809b5a93fae127f45727071f5ff14325222c518) Thanks [@ashishjain0512](https://github.com/ashishjain0512)! - Flowchart new syntax for node metadata bugs
+
  - Incorrect label mapping for nodes when using `&`
  - Syntax error when `}` with trailing spaces before new line

 - [#6136](https://github.com/mermaid-js/mermaid/pull/6136) [`ec0d9c3`](https://github.com/mermaid-js/mermaid/commit/ec0d9c389aa6018043187654044c1e0b5aa4f600) Thanks [@knsv](https://github.com/knsv)! - Adding support for animation of flowchart edges

 - [#6373](https://github.com/mermaid-js/mermaid/pull/6373) [`05bdf0e`](https://github.com/mermaid-js/mermaid/commit/05bdf0e20e2629fe77513218fbd4e28e65f75882) Thanks [@ashishjain0512](https://github.com/ashishjain0512)! - Upgrade Requirement and ER diagram to use the common renderer flow
+
  - Added support for directions
  - Added support for hand drawn look

--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
Author	SHA1	Message	Date
darshanr0107	d318f1a13c	chore: add changeset on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>	2025-09-15 12:42:25 +05:30
darshanr0107	525a7de8ae	fix:gant chart crashing in browser on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>	2025-09-15 12:42:24 +05:30