If you're the kind of person that gets demotivated really easily when there's an opportunity to crawl back than I would wait until EOL so you feel more commit it to your choice.
Though the reasoning for my mind set is because I install linux 4~ times before I really committed to using it as my daily driver. The final push was two very big bugs.
I still have windows installed but its only to play rainbow with some friends.
My family already uses signal as are default form of communication between each but the point that I forgot to add was for the 1% of conversation. Some of my family member have there own businesses that mostly use email but when we are in the field we use regular SMS/MMS/imessage for quick communication between "us" and the client. At least here we most only use plain SMS or iMessage if applicable is used because most people see messaging apps like Signal, WhatsApp and other third party apps for personal use only.