Same problem here (a few hours of battery life and it's very slow to charge now). This update makes no sense at all, excepted if you want to force your users to buy a new phone.
For me, it should be a RED flag on the Pixel lineup and on the confidence in Google.
It's a tax based on number of grams of CO2/km for all vehicles so 3008/5008 are concerned too. The updated tax for 2020 starts at 110 g of CO2/km (previously 117 gCO/km, last year)
I don't understand why the link is now [flagged] by HN?