Minecraft Players Will Lose Access If They Don't Migrate Accounts

Mojang says the migration is to ensure player "security and safety." Plus, you get a free cape. 

How to Purchase Minecraft: Java Edition with a Microsoft Account

Microsoft accounts with no phone number are being locked · Issue #4093 · MultiMC/Launcher · GitHub

How to change your Minecraft email and password

3 Ways to Create a Minecraft Account - wikiHow

Minecraft Microsoft Account Requirement Announced by Mojang

I can't change my email to migrate to a microsoft account : r/Minecraft

Are unmigrated Mojang accounts now considered as warez Minecraft? (Confusion) : r/Minecraft

Minecraft 2.42 patch notes

How To Migrate Your Minecraft: Java Edition Mojang Account To A Microsoft Account

Minecraft gives final warning about losing your account