diff --git a/.github/actions/ai-generated-release-notes/check-first-comment.js b/.github/actions/ai-generated-release-notes/check-first-comment.js
index 7a2dd328fd..70eb7d9b8f 100755
--- a/.github/actions/ai-generated-release-notes/check-first-comment.js
+++ b/.github/actions/ai-generated-release-notes/check-first-comment.js
@@ -6,7 +6,7 @@ import fs from 'fs';
 const token = process.env.GITHUB_TOKEN;
 const repo = process.env.GITHUB_REPOSITORY;
 const issueNumber = process.env.GITHUB_EVENT_ISSUE_NUMBER;
-const commentId = process.env.GITHUB_EVENT_COMMENT_ID;
+const commentId = String(process.env.GITHUB_EVENT_COMMENT_ID);
 
 if (!token || !repo || !issueNumber || !commentId) {
   console.log('Missing required environment variables');
@@ -51,7 +51,7 @@ async function checkFirstComment() {
 
     const isFirstSummaryComment =
       coderabbitSummaryComments.length === 1 &&
-      coderabbitSummaryComments[0].id == commentId;
+      String(coderabbitSummaryComments[0].id) === commentId;
 
     console.log(
       `CodeRabbit summary comments found: ${coderabbitSummaryComments.length}`,
diff --git a/.oxlintrc.json b/.oxlintrc.json
index ed43589a40..eda4455422 100644
--- a/.oxlintrc.json
+++ b/.oxlintrc.json
@@ -45,6 +45,7 @@
         "fixStyle": "inline-type-imports"
       }
     ],
+    "typescript/no-implied-eval": "warn",
     "typescript/no-explicit-any": "warn",
     "typescript/no-restricted-types": [
       "warn",
@@ -114,15 +115,80 @@
     "react/style-prop-object": "warn",
 
     // ESLint rules
+    "eslint/array-callback-return": "warn",
+    // "eslint/curly": ["warn", "multi-line", "consistent"], // TODO: re-enable? this rule is really slow
     "eslint/default-case": [
       "warn",
       {
         "commentPattern": "^no default$"
       }
     ],
+    "eslint/eqeqeq": ["warn", "smart"],
     "eslint/no-array-constructor": "warn",
+    "eslint/no-caller": "warn",
+    "eslint/no-cond-assign": ["warn", "except-parens"],
+    "eslint/no-const-assign": "warn",
+    "eslint/no-control-regex": "warn",
+    "eslint/no-delete-var": "warn",
+    "eslint/no-dupe-class-members": "warn",
+    "eslint/no-dupe-keys": "warn",
+    "eslint/no-duplicate-case": "warn",
+    "eslint/no-empty-character-class": "warn",
     // "eslint/no-empty-function": "warn", // TODO: enable this
+    "eslint/no-empty-pattern": "warn",
+    "eslint/no-eval": "warn",
+    "eslint/no-ex-assign": "warn",
+    "eslint/no-extend-native": "warn",
+    "eslint/no-extra-bind": "warn",
+    "eslint/no-extra-label": "warn",
+    "eslint/no-fallthrough": "warn",
+    "eslint/no-func-assign": "warn",
+    "eslint/no-invalid-regexp": "warn",
+    "eslint/no-iterator": "warn",
+    "eslint/no-label-var": "warn",
+    "eslint/no-labels": [
+      "warn",
+      {
+        "allowLoop": true,
+        "allowSwitch": false
+      }
+    ],
+    "eslint/no-new-func": "warn",
+    "eslint/no-script-url": "warn",
+    "eslint/no-self-assign": "warn",
+    "eslint/no-self-compare": "warn",
+    "eslint/no-sequences": "warn",
+    "eslint/no-shadow-restricted-names": "warn",
+    "eslint/no-sparse-arrays": "warn",
+    "eslint/no-template-curly-in-string": "warn",
+    "eslint/no-this-before-super": "warn",
+    "eslint/no-throw-literal": "warn",
+    "eslint/no-unreachable": "warn",
+    "eslint/no-obj-calls": "warn",
+    "eslint/no-new-wrappers": "warn",
+    "eslint/no-unsafe-negation": "warn",
+    "eslint/no-multi-str": "warn",
+    "eslint/no-global-assign": "warn",
+    "eslint/no-lone-blocks": "warn",
+    "eslint/no-unused-labels": "warn",
     "eslint/no-redeclare": "warn",
+    "eslint/no-useless-computed-key": "warn",
+    "eslint/no-useless-concat": "warn",
+    "eslint/no-useless-escape": "warn",
+    "eslint/require-yield": "warn",
+    "eslint/getter-return": "warn",
+    "eslint/unicode-bom": ["warn", "never"],
+    "eslint/no-use-isnan": "warn",
+    "eslint/valid-typeof": "warn",
+    "eslint/no-useless-rename": [
+      "warn",
+      {
+        "ignoreDestructuring": false,
+        "ignoreImport": false,
+        "ignoreExport": false
+      }
+    ],
+    "eslint/no-with": "warn",
     "eslint/no-regex-spaces": "warn",
     "eslint/no-restricted-globals": [
       "warn",
diff --git a/eslint.config.mjs b/eslint.config.mjs
index ba85f43252..3bba395501 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -15,6 +15,7 @@ export default defineConfig(
       'packages/api/app/stats.json',
       'packages/api/@types',
       'packages/api/migrations',
+      'packages/crdt/src/proto/sync_pb.js',
       'packages/component-library/src/icons/**/*',
       'packages/desktop-client/bundle.browser.js',
       'packages/desktop-client/dev-dist/',
@@ -38,19 +39,6 @@ export default defineConfig(
       '**/node_modules/',
     ],
   },
-  {
-    // Temporary until the sync-server is migrated to TypeScript
-    files: [
-      'packages/sync-server/**/*.spec.{js,jsx}',
-      'packages/sync-server/**/*.test.{js,jsx}',
-    ],
-    languageOptions: {
-      globals: {
-        ...globals.jest,
-        vi: true,
-      },
-    },
-  },
   {
     linterOptions: {
       reportUnusedDisableDirectives: true,
@@ -83,12 +71,6 @@ export default defineConfig(
       react: {
         version: 'detect',
       },
-
-      'import/resolver': {
-        typescript: {
-          alwaysTryTypes: true,
-        },
-      },
     },
   },
   pluginTypescript.configs.base,
@@ -109,107 +91,12 @@ export default defineConfig(
     },
     rules: {
       // http://eslint.org/docs/rules/
-      'array-callback-return': 'warn',
-
-      curly: ['warn', 'multi-line', 'consistent'],
-      eqeqeq: ['warn', 'smart'],
-      'no-array-constructor': 'warn',
-      'no-caller': 'warn',
-      'no-cond-assign': ['warn', 'except-parens'],
-      'no-const-assign': 'warn',
-      'no-control-regex': 'warn',
-      'no-delete-var': 'warn',
       'no-dupe-args': 'warn',
-      'no-dupe-class-members': 'warn',
-      'no-dupe-keys': 'warn',
-      'no-duplicate-case': 'warn',
-      'no-empty-character-class': 'warn',
-      'no-empty-pattern': 'warn',
-      'no-eval': 'warn',
-      'no-ex-assign': 'warn',
-      'no-extend-native': 'warn',
-      'no-extra-bind': 'warn',
-      'no-extra-label': 'warn',
-      'no-fallthrough': 'warn',
-      'no-func-assign': 'warn',
-      'no-implied-eval': 'warn',
-      'no-invalid-regexp': 'warn',
-      'no-iterator': 'warn',
-      'no-label-var': 'warn',
-
-      'no-labels': [
-        'warn',
-        {
-          allowLoop: true,
-          allowSwitch: false,
-        },
-      ],
-
-      'no-lone-blocks': 'warn',
-
-      'no-multi-str': 'warn',
-      'no-global-assign': 'warn',
-      'no-unsafe-negation': 'warn',
-      'no-new-func': 'warn',
       'no-new-object': 'warn',
       'no-new-symbol': 'warn',
-      'no-new-wrappers': 'warn',
-      'no-obj-calls': 'warn',
       'no-octal': 'warn',
       'no-octal-escape': 'warn',
-      'no-script-url': 'warn',
-      'no-self-assign': 'warn',
-      'no-self-compare': 'warn',
-      'no-sequences': 'warn',
-      'no-shadow-restricted-names': 'warn',
-      'no-sparse-arrays': 'warn',
-      'no-template-curly-in-string': 'warn',
-      'no-this-before-super': 'warn',
-      'no-throw-literal': 'warn',
-      'no-undef': 'error',
-      'no-unreachable': 'warn',
-
-      'no-unused-expressions': [
-        'error',
-        {
-          allowShortCircuit: true,
-          allowTernary: true,
-          allowTaggedTemplates: true,
-        },
-      ],
-
-      'no-unused-labels': 'warn',
-
-      'no-use-before-define': [
-        'warn',
-        {
-          functions: false,
-          classes: false,
-          variables: false,
-        },
-      ],
-
-      'no-useless-computed-key': 'warn',
-      'no-useless-concat': 'warn',
-      'no-useless-constructor': 'warn',
-      'no-useless-escape': 'warn',
-
-      'no-useless-rename': [
-        'warn',
-        {
-          ignoreDestructuring: false,
-          ignoreImport: false,
-          ignoreExport: false,
-        },
-      ],
-
-      'no-with': 'warn',
-
-      'require-yield': 'warn',
       strict: ['warn', 'never'],
-      'unicode-bom': ['warn', 'never'],
-      'use-isnan': 'warn',
-      'valid-typeof': 'warn',
 
       'no-restricted-properties': [
         'error',
@@ -227,8 +114,6 @@ export default defineConfig(
         },
       ],
 
-      'getter-return': 'warn',
-
       'perfectionist/sort-imports': [
         'warn',
         {
@@ -293,10 +178,6 @@ export default defineConfig(
       'actual/prefer-if-statement': 'warn',
       'actual/prefer-logger-over-console': 'error',
 
-      // https://github.com/eslint/eslint/issues/16954
-      // https://github.com/eslint/eslint/issues/16953
-      'no-loop-func': 'off',
-
       'object-shorthand': ['warn', 'properties'],
 
       'no-restricted-syntax': [
@@ -317,7 +198,6 @@ export default defineConfig(
 
       // Rules disabled during TS migration
       'prefer-const': 'warn',
-      'prefer-spread': 'off',
     },
   },
   {
diff --git a/packages/crdt/src/crdt/merkle.ts b/packages/crdt/src/crdt/merkle.ts
index e2e845c13a..36a15167b6 100644
--- a/packages/crdt/src/crdt/merkle.ts
+++ b/packages/crdt/src/crdt/merkle.ts
@@ -134,7 +134,7 @@ export function diff(trie1: TrieNode, trie2: TrieNode): number | null {
     node2 = node2[diffkey] || emptyTrie();
   }
 
-  // eslint-disable-next-line no-unreachable
+  // oxlint-disable-next-line no-unreachable
   return null;
 }
 
diff --git a/packages/loot-core/src/platform/server/sqlite/unicodeLike.test.ts b/packages/loot-core/src/platform/server/sqlite/unicodeLike.test.ts
index 04f75619f6..a5fab63c13 100644
--- a/packages/loot-core/src/platform/server/sqlite/unicodeLike.test.ts
+++ b/packages/loot-core/src/platform/server/sqlite/unicodeLike.test.ts
@@ -14,6 +14,7 @@ describe('unicode LIKE functionality', () => {
   });
 
   it('should match special characters', () => {
+    // oxlint-disable-next-line no-template-curly-in-string
     const result = unicodeLike('.*+^${}()|[]\\', '.*+^${}()|[]\\');
 
     expect(result).toBe(1);
diff --git a/packages/loot-core/src/server/cloud-storage.ts b/packages/loot-core/src/server/cloud-storage.ts
index 3094b47ac5..d550078149 100644
--- a/packages/loot-core/src/server/cloud-storage.ts
+++ b/packages/loot-core/src/server/cloud-storage.ts
@@ -90,7 +90,7 @@ export async function checkKey(): Promise<{
   return {
     valid:
       // This == comparison is important, they could be null or undefined
-      // eslint-disable-next-line eqeqeq
+      // oxlint-disable-next-line eslint/eqeqeq
       res.id == encryptKeyId &&
       (encryptKeyId == null || encryption.hasKey(encryptKeyId)),
   };
diff --git a/packages/loot-core/src/server/sync/migrate.test.ts b/packages/loot-core/src/server/sync/migrate.test.ts
index 3c42b4b034..06efe29f86 100644
--- a/packages/loot-core/src/server/sync/migrate.test.ts
+++ b/packages/loot-core/src/server/sync/migrate.test.ts
@@ -105,13 +105,12 @@ describe('sync migrations', () => {
               { isChild: number; parent_id: string | null; id: string }
             >;
             if (
-              ts &&
-              [...ts.values()].find(
+              !ts ||
+              ![...ts.values()].find(
                 t =>
                   t.isChild === 1 && t.parent_id == null && t.id.includes('/'),
               )
             ) {
-            } else {
               tracer.event('applied');
             }
           });
diff --git a/upcoming-release-notes/6449.md b/upcoming-release-notes/6449.md
new file mode 100644
index 0000000000..9f3e439943
--- /dev/null
+++ b/upcoming-release-notes/6449.md
@@ -0,0 +1,6 @@
+---
+category: Maintenance
+authors: [MatissJanis]
+---
+
+lint: move more native eslint rules to oxlint