Update load extension + puppeteer docs

[jennifer-shehane]

Description

In Chrome 137, Chrome is removing the --load-extension flag from branded builds of Chrome.

URL of Issue(s)

https://docs.cypress.io/api/node-events/browser-launch-api#Add-browser-extensions

Steps to replicate

We'll want to update the docs to suggest users use Chrome for Testing or Chromium browsers to load extensions.

Browser

No response

Device

• PC
• Mac
• iPhone
• iPad
• Android Phone
• Android Tablet

Additional Information

No response

[alexsch01]

As I said in a different message, Cypress by default includes this flag

[MikeMcC399]

@jennifer-shehane

Cypress Docker image examples may help here:

• examples/chrome-for-testing
• examples/chromium

[jennifer-shehane]

@MikeMcC399 Hmm, yah I wonder if we should point to these docs instead of Chromes

[MikeMcC399]

@jennifer-shehane

Hmm, yah I wonder if we should point to these docs instead of Chromes

I see you've added links to the Cypress docs. 👍🏻

The Chrome / Chromium documentation like https://www.chromium.org/getting-involved/download-chromium/ is not the most user-friendly, and it's partially out of date.

The Cypress Docker example READMEs give easy to follow steps. They are oriented to Debian, so don't cover other OS, like Ubuntu, Windows or macOS. Hopefully they will be of use to at least some users!

• https://github.com/cypress-io/cypress-docker-images/blob/master/examples/chrome-for-testing/README.md
• https://github.com/cypress-io/cypress-docker-images/blob/master/examples/chromium/README.md

I guess we'll see in a couple of weeks, when Chrome 137 is released as stable!