1/ What's new?The list of changes and improvements is long, check the complete changelog if you are interested in reading it all. I will highlight a few key points here. Performance improvementsWe overhauled pretty much everything from the protocol used between Composer and packagist.org to the dependency resolution, including downloading files in parallel using curl and constraint evaluation opti
![Composer 2.0 is now available!](https://cdn-ak-scissors.b.st-hatena.com/image/square/9c0b4afa1238e65180754366a2169c8c11a49918/height=288;version=1;width=512/https%3A%2F%2Fblog.packagist.com%2Fcontent%2Fimages%2Fsize%2Fw1200%2F2020%2F10%2Fimage_2020-10-24_175325.png)