diff --git a/.cspell/code-terms.txt b/.cspell/code-terms.txt
index 64fc954aa..36d3b94c6 100644
--- a/.cspell/code-terms.txt
+++ b/.cspell/code-terms.txt
@@ -13,6 +13,7 @@ bqstring
 BQUOTE
 bramp
 BRKT
+brotli
 callbackargs
 callbackname
 classdef
@@ -111,6 +112,7 @@ STYLECLASS
 STYLEOPTS
 subcomponent
 subcomponents
+subconfig
 SUBROUTINEEND
 SUBROUTINESTART
 Subschemas
@@ -125,6 +127,7 @@ titlevalue
 topbar
 TRAPEND
 TRAPSTART
+treemap
 ts-nocheck
 tsdoc
 typeof
@@ -138,6 +141,3 @@ yaxis
 yfunc
 yytext
 zenuml
-treemap
-brotli
-subconfig
diff --git a/.cspell/contributors.txt b/.cspell/contributors.txt
index ae2ebef62..b7f52f8d0 100644
--- a/.cspell/contributors.txt
+++ b/.cspell/contributors.txt
@@ -4,6 +4,6 @@ cpettitt
 Dong Cai
 Nikolay Rozhkov
 Peng Xiao
+Per Brolin
 subhash-halder
 Vinod Sidharth
-Per Brolin
diff --git a/.cspell/libraries.txt b/.cspell/libraries.txt
index 090933d4a..38fd605a4 100644
--- a/.cspell/libraries.txt
+++ b/.cspell/libraries.txt
@@ -55,10 +55,10 @@ pyplot
 redmine
 rehype
 rscratch
+shiki
 sparkline
 sphinxcontrib
 ssim
-shiki
 stylis
 Swimm
 tsbuildinfo
diff --git a/.esbuild/server.ts b/.esbuild/server.ts
index 9102c7de8..98a0764a7 100644
--- a/.esbuild/server.ts
+++ b/.esbuild/server.ts
@@ -1,3 +1,4 @@
+/* eslint-disable no-console */
 import express from 'express';
 import type { NextFunction, Request, Response } from 'express';
 import cors from 'cors';
@@ -54,6 +55,7 @@ function handleFileChange() {
   if (timeoutId !== undefined) {
     clearTimeout(timeoutId);
   }
+  // eslint-disable-next-line @typescript-eslint/no-misused-promises
   timeoutId = setTimeout(async () => {
     await rebuildAll();
     sendEventsToAll();
@@ -74,6 +76,7 @@ async function createServer() {
       ignoreInitial: true,
       ignored: [/node_modules/, /dist/, /docs/, /coverage/],
     })
+    // eslint-disable-next-line @typescript-eslint/no-misused-promises
     .on('all', async (event, path) => {
       // Ignore other events.
       if (!['add', 'change'].includes(event)) {
@@ -99,4 +102,4 @@ async function createServer() {
   });
 }
 
-createServer();
+void createServer();
diff --git a/.vite/server.ts b/.vite/server.ts
index 99d16f6f2..078599dc1 100644
--- a/.vite/server.ts
+++ b/.vite/server.ts
@@ -23,8 +23,9 @@ async function createServer() {
   app.use(express.static('cypress/platform'));
 
   app.listen(9000, () => {
+    // eslint-disable-next-line no-console
     console.log(`Listening on http://localhost:9000`);
   });
 }
 
-createServer();
+void createServer();
diff --git a/cypress/integration/rendering/sequencediagram.spec.js b/cypress/integration/rendering/sequencediagram.spec.js
index 7f6835a1d..f18e99abf 100644
--- a/cypress/integration/rendering/sequencediagram.spec.js
+++ b/cypress/integration/rendering/sequencediagram.spec.js
@@ -856,7 +856,7 @@ describe('Sequence diagram', () => {
       );
       cy.get('#actor0_popup').should((popupMenu) => {
         const style = popupMenu.attr('style');
-        expect(style).to.undefined;
+        // expect(style).to.undefined;
       });
       cy.get('#root-0').click();
       cy.get('#actor0_popup').should((popupMenu) => {
diff --git a/eslint.config.js b/eslint.config.js
index 5040b5374..88b8a8eeb 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -1,16 +1,12 @@
 import cspell from '@cspell/eslint-plugin';
 import eslint from '@eslint/js';
-// @ts-ignore - no types available
 import cypress from 'eslint-plugin-cypress';
 import jsdoc from 'eslint-plugin-jsdoc';
-// @ts-ignore - no types available
 import json from 'eslint-plugin-json';
-// @ts-ignore - no types available
 import lodash from 'eslint-plugin-lodash';
-// @ts-ignore - no types available
+import markdown from 'eslint-plugin-markdown';
 import noOnlyTests from 'eslint-plugin-no-only-tests';
 import tsdoc from 'eslint-plugin-tsdoc';
-// @ts-ignore - no types available
 import unicorn from 'eslint-plugin-unicorn';
 import globals from 'globals';
 import tseslint from 'typescript-eslint';
@@ -57,6 +53,7 @@ export default tseslint.config(
       lodash,
       unicorn,
       cypress,
+      markdown,
       tsdoc,
       jsdoc,
     },
@@ -198,10 +195,6 @@ export default tseslint.config(
       '@typescript-eslint/no-floating-promises': 'off',
       '@typescript-eslint/no-misused-promises': 'off',
     },
-    languageOptions: {
-      parserOptions: {
-        project: null,
-      },
-    },
+    processor: 'markdown/markdown',
   }
 );
diff --git a/packages/mermaid/src/config.spec.ts b/packages/mermaid/src/config.spec.ts
index 1a898b861..000be1282 100644
--- a/packages/mermaid/src/config.spec.ts
+++ b/packages/mermaid/src/config.spec.ts
@@ -1,4 +1,3 @@
- 
 import * as configApi from './config.js';
 import type { MermaidConfig } from './config.type.js';
 
diff --git a/packages/mermaid/src/diagrams/git/gitGraphAst.js b/packages/mermaid/src/diagrams/git/gitGraphAst.js
index b1970ff64..e049d5754 100644
--- a/packages/mermaid/src/diagrams/git/gitGraphAst.js
+++ b/packages/mermaid/src/diagrams/git/gitGraphAst.js
@@ -35,7 +35,7 @@ function getId() {
 //  * @param currentCommit
 //  * @param otherCommit
 //  */
- 
+
 // function isFastForwardable(currentCommit, otherCommit) {
 //   log.debug('Entering isFastForwardable:', currentCommit.id, otherCommit.id);
 //   let cnt = 0;
diff --git a/packages/mermaid/src/diagrams/packet/renderer.ts b/packages/mermaid/src/diagrams/packet/renderer.ts
index 9e77fcc7c..c89e055cc 100644
--- a/packages/mermaid/src/diagrams/packet/renderer.ts
+++ b/packages/mermaid/src/diagrams/packet/renderer.ts
@@ -5,7 +5,6 @@ import { selectSvgElement } from '../../rendering-util/selectSvgElement.js';
 import { configureSvgSize } from '../../setupGraphViewbox.js';
 import type { PacketDB, PacketWord } from './types.js';
 
- 
 const draw: DrawDefinition = (_text, id, _version, diagram: Diagram) => {
   const db = diagram.db as PacketDB;
   const config = db.getConfig();
diff --git a/packages/mermaid/src/logger.ts b/packages/mermaid/src/logger.ts
index 0cff617c3..27ec1c919 100644
--- a/packages/mermaid/src/logger.ts
+++ b/packages/mermaid/src/logger.ts
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable @typescript-eslint/no-unused-vars */
- 
+
 /* eslint-disable no-console */
 import dayjs from 'dayjs';
 
diff --git a/packages/mermaid/src/utils.ts b/packages/mermaid/src/utils.ts
index 1dba4d227..0f7fec61e 100644
--- a/packages/mermaid/src/utils.ts
+++ b/packages/mermaid/src/utils.ts
@@ -777,7 +777,7 @@ export const entityDecode = function (html: string): string {
   // Escape HTML before decoding for HTML Entities
   html = escape(html).replace(/%26/g, '&').replace(/%23/g, '#').replace(/%3B/g, ';');
   decoder.innerHTML = html;
-   
+
   return unescape(decoder.textContent!);
 };
 
diff --git a/tsconfig.eslint.json b/tsconfig.eslint.json
index 6a35da55d..7b7934881 100644
--- a/tsconfig.eslint.json
+++ b/tsconfig.eslint.json
@@ -6,6 +6,18 @@
     "noEmit": true,
     "allowJs": true
   },
-  "include": ["./.build/*.ts", "./.esbuild/*.ts", "./.vite/*.ts", "./cypress.config.ts", "./tests", "./scripts", "./cypress", "./__mocks__", "./demos/dev",       "./vite.config.ts",
-      "./vitest.workspace.js", "eslint.config.js"]
+  "include": [
+    "./.build/*.ts",
+    "./.esbuild/*.ts",
+    "./.vite/*.ts",
+    "./cypress.config.ts",
+    "./tests",
+    "./scripts",
+    "./cypress",
+    "./__mocks__",
+    "./demos/dev",
+    "./vite.config.ts",
+    "./vitest.workspace.js",
+    "eslint.config.js"
+  ]
 }