Jon Bauer

I did find that at least half the slowness comes from the `load_workbook` calls https://github.com/dgorissen/pycel/blob/f4fd7e5e9feb77e5affe9fd3b1881ef47861102c/src/pycel/excelwrapper.py#L243-L245

We added a fork/solution that seems to be working for our use case [here](https://github.com/ObieCRE/pycel)

Same issue here. @matheuschimelli are you using yarn? i found that [the demo](https://github.com/playwright-community/heroku-playwright-example) broke when using yarn as that is what we are trying to get to work on our...

@matheuschimelli I found that it wasn't related to yarn but the newer version of "playwright-chromium" (or similar). try hardcoding your package.json value for "playwright-chromium" or similar to `1.15.0`. the newer...