Dan Onoshko

@ckifer Hi. Yes, I'm still interested.

@budarin Hi. Please provide example of expression.

@ai > on significant (≥20%) drop of coverage in some country (we can use all countries or only countries with ≥1M population). As I understood, if coverage for country is

@ai it looks weird ```bash $ browserslist --coverage=RU "last 100 versions" These browsers account for 83.4% of all users in the RU ```

@ai 👌

@ai In caniuse country data there is "total" value, it can be not 100% https://github.com/Fyrd/caniuse/blob/main/region-usage-json/RU.json > "total":81.56795 my suggestion is to interpret this value as 100% and recalculate coverage relative...

@ai ok. But it solve problem only for RU. Weak places in other regions: AM `'firefox 52': 37.23163,` - popular but not in "defaults" MA `'ios_saf 6.0-6.1': 14.55397,` - popular...

Hi! Currently browserslist-useragent-regexp doesn't separate mobile and desktop browsers.

@ericvoshall Yes

@saitonakamura @ericvoshall Hi. Please try [v4.0.0-beta.0](https://github.com/browserslist/browserslist-useragent-regexp/releases/tag/v4.0.0-beta.0).