Using Adobe Launch Async script will cause many crawl errors in Google Search Console (Google Webmaster Tools).
We implemented Adobe Launch using async on 75 websites in early May and each one is receiving 70-150 crawl errors being generated from the launch script. When using Adobe DTM scripts we never received the crawl errors and now we do. Adobe Support confirmed that Google is parsing assets.adobedtm.com incorrectly and making it look like our websites have extra urls which then return 404 errors. Support said this is not widely spread since Launch is a newer product but if anyone uses Launch async without listing every one of the 404 urls in their robots.txt file then they will receive the crawl errors from Google. This can be impacting organic search reputation and rankings.
I'm hoping this ticket can get votes as we really like Adobe Launch and want to continue using it on 200 plus websites we own but not if the crawl errors continue to happen.