If capabilities['bstack:options'].platformName is a thing we should extend the BrowserStackCapabilities type

webdriverio/packages/wdio-types/src/Capabilities.ts

Line 1095 in 2b6cea3

export interface BrowserStackCapabilities {

.

Ok, I added this to BSCapabilities

Ok I fixed all ""blank"" properties

Congratulations on your remarkable first contribution to WebdriverIO! This project thrives on the invaluable involvement of our community, and we are truly grateful for your contribution. We eagerly anticipate witnessing more of your exceptional work, so please don't hesitate to inform us if we can assist you in identifying intriguing areas where you can make further contributions. Join our lively Discord channel and reach out to us; we would be delighted to connect with you. Your efforts are deeply appreciated, and we extend our heartfelt gratitude to you. 🙏 ❤️

fixes #11474

Congratulations on your remarkable first contribution to WebdriverIO! This project thrives on the invaluable involvement of our community, and we are truly grateful for your contribution. We eagerly anticipate witnessing more of your exceptional work, so please don't hesitate to inform us if we can assist you in identifying intriguing areas where you can make further contributions. Join our lively Discord channel and reach out to us; we would be delighted to connect with you. Your efforts are deeply appreciated, and we extend our heartfelt gratitude to you. 🙏 ❤️

Thank you very much, as a mobile tester automater, I choose wdio + appium for my project!
Every time I'll have a suggestion or problem I'll write on github or discord or I try to fix.

Good job! :P