AWS IN 2025: THE STUFF YOU THINK YOU KNOW THAT'S NOW WRONG

Summary from the TLDR newsletter

AWS is almost twenty years old, and many things have changed over the years. Even experienced veterans may find it hard to track all of the changes, and it's very easy to stumble upon outdated blog posts that talk about how things used to be. This post collects some of these changes to help keep developers current. It covers changes to EC2, S3, networking, Lambda, EFS, EBS, DynamoDB, cost saving vehicles, authentication, and more.