diff --git a/.eslintrc.js b/.eslintrc.js
index 5a69444ee80..b3d50623771 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -15,7 +15,7 @@ module.exports = defineConfig({
   reportUnusedDisableDirectives: true,
   extends: [
     'eslint:recommended',
-    'plugin:@typescript-eslint/recommended-type-checked',
+    'plugin:@typescript-eslint/strict-type-checked',
     'plugin:prettier/recommended',
     'plugin:deprecation/recommended',
     'plugin:jsdoc/recommended-typescript-error',
@@ -91,6 +91,7 @@ module.exports = defineConfig({
       'error',
       { ignoreParameters: true },
     ],
+    '@typescript-eslint/no-unnecessary-condition': 'off', // requires `strictNullChecks` to be enabled
     '@typescript-eslint/no-unsafe-assignment': 'off',
     '@typescript-eslint/no-unsafe-call': 'off',
     '@typescript-eslint/no-unsafe-member-access': 'off',
@@ -104,6 +105,11 @@ module.exports = defineConfig({
       { allowNumber: true, allowBoolean: true },
     ],
     '@typescript-eslint/unbound-method': 'off',
+    '@typescript-eslint/unified-signatures': 'off', // incompatible with our api docs generation
+
+    // TODO @ST-DDT 2023-10-10: The following rules currently conflict with our code.
+    // Each rule should be checked whether it should be enabled/configured and the problems fixed, or stay disabled permanently.
+    '@typescript-eslint/no-confusing-void-expression': 'off',
 
     'jsdoc/require-jsdoc': 'off', // Enabled only for src/**/*.ts
     'jsdoc/require-returns': 'off',
diff --git a/docs/guide/frameworks.md b/docs/guide/frameworks.md
index 4dec853f717..3b0cd6f39c1 100644
--- a/docs/guide/frameworks.md
+++ b/docs/guide/frameworks.md
@@ -98,3 +98,39 @@ describe('Testing the application', () => {
   });
 });
 ```
+
+## Playwright
+
+Integration with [Playwright](https://playwright.dev/) is also easy:
+
+```ts
+import { faker } from '@faker-js/faker/locale/en';
+import { expect, test } from '@playwright/test';
+
+test.describe('Testing the application', () => {
+  test('should create an account with username and password', async ({
+    page,
+  }) => {
+    const username = faker.internet.userName();
+    const password = faker.internet.password();
+    const email = faker.internet.exampleEmail();
+
+    // Visit the webpage and create an account.
+    await page.goto('https://www.example.com/register');
+    await page.getByLabel('email').fill(email);
+    await page.getByLabel('username').fill(username);
+    await page.getByLabel('password', { exact: true }).fill(password);
+    await page.getByLabel('confirm password').fill(password);
+    await page.getByRole('button', { name: 'Register' }).click();
+
+    // Now, we try to login with these credentials.
+    await page.goto('https://www.example.com/login');
+    await page.getByLabel('email').fill(email);
+    await page.getByLabel('password').fill(password);
+    await page.getByRole('button', { name: 'Login' }).click();
+
+    // We should have logged in successfully to the dashboard page.
+    await expect(page).toHaveURL(/.*dashboard/);
+  });
+});
+```
diff --git a/src/locales/cs_CZ/person/index.ts b/src/locales/cs_CZ/person/index.ts
index bf1b1484c96..91d426993ec 100644
--- a/src/locales/cs_CZ/person/index.ts
+++ b/src/locales/cs_CZ/person/index.ts
@@ -16,7 +16,6 @@ import male_prefix from './male_prefix';
 import name_ from './name';
 import prefix from './prefix';
 import suffix from './suffix';
-import title from './title';
 
 const person: PersonDefinition = {
   female_first_name,
@@ -32,7 +31,6 @@ const person: PersonDefinition = {
   name: name_,
   prefix,
   suffix,
-  title,
 };
 
 export default person;
diff --git a/src/locales/cs_CZ/person/title.ts b/src/locales/cs_CZ/person/title.ts
deleted file mode 100644
index 6372cc11839..00000000000
--- a/src/locales/cs_CZ/person/title.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-export default {
-  descriptor: [
-    'Lead',
-    'Senior',
-    'Direct',
-    'Corporate',
-    'Dynamic',
-    'Future',
-    'Product',
-    'National',
-    'Regional',
-    'District',
-    'Central',
-    'Global',
-    'Customer',
-    'Investor',
-    'International',
-    'Legacy',
-    'Forward',
-    'Internal',
-    'Human',
-    'Chief',
-    'Principal',
-  ],
-  level: [
-    'Solutions',
-    'Program',
-    'Brand',
-    'Security',
-    'Research',
-    'Marketing',
-    'Directives',
-    'Implementation',
-    'Integration',
-    'Functionality',
-    'Response',
-    'Paradigm',
-    'Tactics',
-    'Identity',
-    'Markets',
-    'Group',
-    'Division',
-    'Applications',
-    'Optimization',
-    'Operations',
-    'Infrastructure',
-    'Intranet',
-    'Communications',
-    'Web',
-    'Branding',
-    'Quality',
-    'Assurance',
-    'Mobility',
-    'Accounts',
-    'Data',
-    'Creative',
-    'Configuration',
-    'Accountability',
-    'Interactions',
-    'Factors',
-    'Usability',
-    'Metrics',
-  ],
-  job: [
-    'Supervisor',
-    'Associate',
-    'Executive',
-    'Liason',
-    'Officer',
-    'Manager',
-    'Engineer',
-    'Specialist',
-    'Director',
-    'Coordinator',
-    'Administrator',
-    'Architect',
-    'Analyst',
-    'Designer',
-    'Planner',
-    'Orchestrator',
-    'Technician',
-    'Developer',
-    'Producer',
-    'Consultant',
-    'Assistant',
-    'Facilitator',
-    'Agent',
-    'Representative',
-    'Strategist',
-  ],
-};
diff --git a/src/locales/he/person/index.ts b/src/locales/he/person/index.ts
index 05882d87243..9c2d4241aa5 100644
--- a/src/locales/he/person/index.ts
+++ b/src/locales/he/person/index.ts
@@ -12,7 +12,6 @@ import male_first_name from './male_first_name';
 import male_prefix from './male_prefix';
 import name_ from './name';
 import prefix from './prefix';
-import title from './title';
 
 const person: PersonDefinition = {
   female_first_name,
@@ -24,7 +23,6 @@ const person: PersonDefinition = {
   male_prefix,
   name: name_,
   prefix,
-  title,
 };
 
 export default person;
diff --git a/src/locales/he/person/title.ts b/src/locales/he/person/title.ts
deleted file mode 100644
index 98af89275ef..00000000000
--- a/src/locales/he/person/title.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-export default {
-  descriptor: [
-    'Lead',
-    'Senior',
-    'Direct',
-    'Corporate',
-    'Dynamic',
-    'Future',
-    'Product',
-    'National',
-    'Regional',
-    'District',
-    'Central',
-    'Global',
-    'Customer',
-    'Investor',
-    'International',
-    'Legacy',
-    'Forward',
-    'Internal',
-    'Human',
-    'Chief',
-    'Principal',
-  ],
-  level: [
-    'Solutions',
-    'Program',
-    'Brand',
-    'Security',
-    'Research',
-    'Marketing',
-    'Directives',
-    'Implementation',
-    'Integration',
-    'Functionality',
-    'Response',
-    'Paradigm',
-    'Tactics',
-    'Identity',
-    'Markets',
-    'Group',
-    'Division',
-    'Applications',
-    'Optimization',
-    'Operations',
-    'Infrastructure',
-    'Intranet',
-    'Communications',
-    'Web',
-    'Branding',
-    'Quality',
-    'Assurance',
-    'Mobility',
-    'Accounts',
-    'Data',
-    'Creative',
-    'Configuration',
-    'Accountability',
-    'Interactions',
-    'Factors',
-    'Usability',
-    'Metrics',
-  ],
-  job: [
-    'Supervisor',
-    'Associate',
-    'Executive',
-    'Liaison',
-    'Officer',
-    'Manager',
-    'Engineer',
-    'Specialist',
-    'Director',
-    'Coordinator',
-    'Administrator',
-    'Architect',
-    'Analyst',
-    'Designer',
-    'Planner',
-    'Orchestrator',
-    'Technician',
-    'Developer',
-    'Producer',
-    'Consultant',
-    'Assistant',
-    'Facilitator',
-    'Agent',
-    'Representative',
-    'Strategist',
-  ],
-};
diff --git a/src/locales/pl/person/index.ts b/src/locales/pl/person/index.ts
index 788b53ff3f8..3ce4c67ddc8 100644
--- a/src/locales/pl/person/index.ts
+++ b/src/locales/pl/person/index.ts
@@ -14,7 +14,6 @@ import male_prefix from './male_prefix';
 import name_ from './name';
 import prefix from './prefix';
 import sex from './sex';
-import title from './title';
 
 const person: PersonDefinition = {
   female_first_name,
@@ -28,7 +27,6 @@ const person: PersonDefinition = {
   name: name_,
   prefix,
   sex,
-  title,
 };
 
 export default person;
diff --git a/src/locales/pl/person/title.ts b/src/locales/pl/person/title.ts
deleted file mode 100644
index 98af89275ef..00000000000
--- a/src/locales/pl/person/title.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-export default {
-  descriptor: [
-    'Lead',
-    'Senior',
-    'Direct',
-    'Corporate',
-    'Dynamic',
-    'Future',
-    'Product',
-    'National',
-    'Regional',
-    'District',
-    'Central',
-    'Global',
-    'Customer',
-    'Investor',
-    'International',
-    'Legacy',
-    'Forward',
-    'Internal',
-    'Human',
-    'Chief',
-    'Principal',
-  ],
-  level: [
-    'Solutions',
-    'Program',
-    'Brand',
-    'Security',
-    'Research',
-    'Marketing',
-    'Directives',
-    'Implementation',
-    'Integration',
-    'Functionality',
-    'Response',
-    'Paradigm',
-    'Tactics',
-    'Identity',
-    'Markets',
-    'Group',
-    'Division',
-    'Applications',
-    'Optimization',
-    'Operations',
-    'Infrastructure',
-    'Intranet',
-    'Communications',
-    'Web',
-    'Branding',
-    'Quality',
-    'Assurance',
-    'Mobility',
-    'Accounts',
-    'Data',
-    'Creative',
-    'Configuration',
-    'Accountability',
-    'Interactions',
-    'Factors',
-    'Usability',
-    'Metrics',
-  ],
-  job: [
-    'Supervisor',
-    'Associate',
-    'Executive',
-    'Liaison',
-    'Officer',
-    'Manager',
-    'Engineer',
-    'Specialist',
-    'Director',
-    'Coordinator',
-    'Administrator',
-    'Architect',
-    'Analyst',
-    'Designer',
-    'Planner',
-    'Orchestrator',
-    'Technician',
-    'Developer',
-    'Producer',
-    'Consultant',
-    'Assistant',
-    'Facilitator',
-    'Agent',
-    'Representative',
-    'Strategist',
-  ],
-};
diff --git a/src/locales/sk/person/index.ts b/src/locales/sk/person/index.ts
index d839b4e1be1..64c89b1124f 100644
--- a/src/locales/sk/person/index.ts
+++ b/src/locales/sk/person/index.ts
@@ -15,7 +15,6 @@ import male_prefix from './male_prefix';
 import name_ from './name';
 import prefix from './prefix';
 import suffix from './suffix';
-import title from './title';
 
 const person: PersonDefinition = {
   female_first_name,
@@ -30,7 +29,6 @@ const person: PersonDefinition = {
   name: name_,
   prefix,
   suffix,
-  title,
 };
 
 export default person;
diff --git a/src/locales/sk/person/title.ts b/src/locales/sk/person/title.ts
deleted file mode 100644
index 98af89275ef..00000000000
--- a/src/locales/sk/person/title.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-export default {
-  descriptor: [
-    'Lead',
-    'Senior',
-    'Direct',
-    'Corporate',
-    'Dynamic',
-    'Future',
-    'Product',
-    'National',
-    'Regional',
-    'District',
-    'Central',
-    'Global',
-    'Customer',
-    'Investor',
-    'International',
-    'Legacy',
-    'Forward',
-    'Internal',
-    'Human',
-    'Chief',
-    'Principal',
-  ],
-  level: [
-    'Solutions',
-    'Program',
-    'Brand',
-    'Security',
-    'Research',
-    'Marketing',
-    'Directives',
-    'Implementation',
-    'Integration',
-    'Functionality',
-    'Response',
-    'Paradigm',
-    'Tactics',
-    'Identity',
-    'Markets',
-    'Group',
-    'Division',
-    'Applications',
-    'Optimization',
-    'Operations',
-    'Infrastructure',
-    'Intranet',
-    'Communications',
-    'Web',
-    'Branding',
-    'Quality',
-    'Assurance',
-    'Mobility',
-    'Accounts',
-    'Data',
-    'Creative',
-    'Configuration',
-    'Accountability',
-    'Interactions',
-    'Factors',
-    'Usability',
-    'Metrics',
-  ],
-  job: [
-    'Supervisor',
-    'Associate',
-    'Executive',
-    'Liaison',
-    'Officer',
-    'Manager',
-    'Engineer',
-    'Specialist',
-    'Director',
-    'Coordinator',
-    'Administrator',
-    'Architect',
-    'Analyst',
-    'Designer',
-    'Planner',
-    'Orchestrator',
-    'Technician',
-    'Developer',
-    'Producer',
-    'Consultant',
-    'Assistant',
-    'Facilitator',
-    'Agent',
-    'Representative',
-    'Strategist',
-  ],
-};
diff --git a/src/modules/finance/index.ts b/src/modules/finance/index.ts
index c1b7e5544cf..ddf3fffe988 100644
--- a/src/modules/finance/index.ts
+++ b/src/modules/finance/index.ts
@@ -810,7 +810,7 @@ export class FinanceModule extends ModuleBase {
     const normalizedIssuer = issuer.toLowerCase();
     if (normalizedIssuer in localeFormat) {
       format = this.faker.helpers.arrayElement(localeFormat[normalizedIssuer]);
-    } else if (/#/.test(issuer)) {
+    } else if (issuer.includes('#')) {
       // The user chose an optional scheme
       format = issuer;
     } else {
diff --git a/src/modules/image/index.ts b/src/modules/image/index.ts
index 926e485dd35..915014db07e 100644
--- a/src/modules/image/index.ts
+++ b/src/modules/image/index.ts
@@ -232,17 +232,16 @@ export class ImageModule extends ModuleBase {
       length: { min: 5, max: 10 },
     })}/${width}/${height}`;
 
-    const hasValidGrayscale = grayscale === true;
     const hasValidBlur = typeof blur === 'number' && blur >= 1 && blur <= 10;
 
-    if (hasValidGrayscale || hasValidBlur) {
+    if (grayscale || hasValidBlur) {
       url += '?';
 
-      if (hasValidGrayscale) {
+      if (grayscale) {
         url += `grayscale`;
       }
 
-      if (hasValidGrayscale && hasValidBlur) {
+      if (grayscale && hasValidBlur) {
         url += '&';
       }
 
diff --git a/src/modules/phone/index.ts b/src/modules/phone/index.ts
index 41beae51f04..6747e35d10c 100644
--- a/src/modules/phone/index.ts
+++ b/src/modules/phone/index.ts
@@ -12,6 +12,9 @@ export class PhoneModule extends ModuleBase {
   /**
    * Generates a random phone number.
    *
+   * @see faker.string.numeric(): For generating a random string of numbers.
+   * @see faker.helpers.fromRegExp(): For generating a phone number matching a regular expression.
+   *
    * @example
    * faker.phone.number() // '961-770-7727'
    *
@@ -23,13 +26,16 @@ export class PhoneModule extends ModuleBase {
    *
    * @param format Format of the phone number.
    *
+   * @see faker.string.numeric(): For generating a random string of numbers.
+   * @see faker.helpers.fromRegExp(): For generating a phone number matching a regular expression.
+   *
    * @example
    * faker.phone.number('501-###-###') // '501-039-841'
    * faker.phone.number('+48 91 ### ## ##') // '+48 91 463 61 70'
    *
    * @since 7.3.0
    *
-   * @deprecated Use `faker.phone.number()` without an argument instead.
+   * @deprecated Use `faker.phone.number()` without an argument, `faker.string.numeric()` or `faker.helpers.fromRegExp()` instead.
    */
   number(format: string): string;
   /**
@@ -37,6 +43,9 @@ export class PhoneModule extends ModuleBase {
    *
    * @param format Format of the phone number. Defaults to a random phone number format.
    *
+   * @see faker.string.numeric(): For generating a random string of numbers.
+   * @see faker.helpers.fromRegExp(): For generating a phone number matching a regular expression.
+   *
    * @example
    * faker.phone.number() // '961-770-7727'
    *
@@ -47,7 +56,8 @@ export class PhoneModule extends ModuleBase {
     if (format != null) {
       deprecated({
         deprecated: 'faker.phone.number(format)',
-        proposed: 'faker.phone.number()',
+        proposed:
+          'faker.phone.number(), faker.string.numeric() or faker.helpers.fromRegExp()',
         since: '8.1',
         until: '9.0',
       });
diff --git a/src/modules/word/filter-word-list-by-length.ts b/src/modules/word/filter-word-list-by-length.ts
index 106e98589bc..60c6fae93c9 100644
--- a/src/modules/word/filter-word-list-by-length.ts
+++ b/src/modules/word/filter-word-list-by-length.ts
@@ -13,12 +13,12 @@ const STRATEGIES = {
     wordList: ReadonlyArray<string>,
     length: { min: number; max: number }
   ): string[] => {
-    const wordsByLength = wordList.reduce(
+    const wordsByLength = wordList.reduce<Record<number, string[]>>(
       (data, word) => {
         (data[word.length] = data[word.length] ?? []).push(word);
         return data;
       },
-      {} as Record<number, string[]>
+      {}
     );
 
     const lengths = Object.keys(wordsByLength).map(Number);
diff --git a/test/modules/helpers.spec.ts b/test/modules/helpers.spec.ts
index e683d1d818c..3f850086770 100644
--- a/test/modules/helpers.spec.ts
+++ b/test/modules/helpers.spec.ts
@@ -95,6 +95,7 @@ describe('helpers', () => {
       enum MixedFoo {
         Foo = 0,
         Bar = 1,
+        // eslint-disable-next-line @typescript-eslint/no-mixed-enums
         FooName = 'Foo',
         BarName = 'Bar',
       }
@@ -256,6 +257,7 @@ describe('helpers', () => {
         enum FooMixedEnum {
           Foo = 0,
           Bar = 1,
+          // eslint-disable-next-line @typescript-eslint/no-mixed-enums
           StrFoo = 'FOO',
           StrBar = 'BAR',
         }
diff --git a/test/scripts/apidoc/module.example.ts b/test/scripts/apidoc/module.example.ts
index b3f43a8602b..0e5d9d89613 100644
--- a/test/scripts/apidoc/module.example.ts
+++ b/test/scripts/apidoc/module.example.ts
@@ -1,3 +1,5 @@
+/* eslint-disable @typescript-eslint/no-extraneous-class -- required for tests */
+
 /**
  * A simple module without anything special.
  */
diff --git a/test/scripts/apidoc/verify-jsdoc-tags.spec.ts b/test/scripts/apidoc/verify-jsdoc-tags.spec.ts
index 64cbcdb4ee5..a924c268213 100644
--- a/test/scripts/apidoc/verify-jsdoc-tags.spec.ts
+++ b/test/scripts/apidoc/verify-jsdoc-tags.spec.ts
@@ -47,7 +47,7 @@ describe('verify JSDoc tags', () => {
   }
 
   const allowedReferences = new Set(
-    Object.values(modules).reduce((acc, [module, methods]) => {
+    Object.values(modules).reduce<string[]>((acc, [module, methods]) => {
       const moduleFieldName = extractModuleFieldName(module);
       return [
         ...acc,
@@ -55,10 +55,10 @@ describe('verify JSDoc tags', () => {
           (methodName) => `faker.${moduleFieldName}.${methodName}`
         ),
       ];
-    }, [] as string[])
+    }, [])
   );
   const allowedLinks = new Set(
-    Object.values(modules).reduce((acc, [module, methods]) => {
+    Object.values(modules).reduce<string[]>((acc, [module, methods]) => {
       const moduleFieldName = extractModuleFieldName(module);
       return [
         ...acc,
@@ -68,7 +68,7 @@ describe('verify JSDoc tags', () => {
             `/api/${moduleFieldName}.html#${methodName.toLowerCase()}`
         ),
       ];
-    }, [] as string[])
+    }, [])
   );
 
   function assertDescription(description: string, isHtml: boolean): void {