It should. There is obviously an overlap as the new card is sent to you before the old one expires (which you can usually use straight away) but the old one should work until expiry.
This. I’m not in the cards business directly but have some oversight as I work in a relatively senior position in regulatory compliance at a fairly big bank. No way details should be passed on unless you’ve expressly permitted it. Card numbers (and cvc numbers obviously) change on renewal and...