> So this is pretty much Chrome declaring war on any antivirus software not named "Windows Defender", yes?

See Robert O'Callahan's (ex-Mozilla employee) blog post on it.[1]

And then read this fun Twitter thread from Justin Schuh, head of Chrome's security team, arguing with AV author Vess.[2]

And then read the HN thread on that Twitter thread.[3]

[1] - http://robert.ocallahan.org/2017/01/disable-your-antivirus-s...

[2] - https://twitter.com/justinschuh/status/802491391121260544

[3] - https://news.ycombinator.com/item?id=13079569

It's referring to software that enables typing in non-latin languages. Most OS's ship everything needed as far as localization is concerned these days, but many users prefer third party software that is optimized specifically for their language, so it makes sense for them to be concerned by this announcement.

Virus scanners should not be injecting code into a process.

See https://en.wikipedia.org/wiki/Input_method, (alternative) ways to enter characters, for example for non-Latin alphabet characters or to solve accessibility issues.

Input Method Editors, for other language input.

IME typically means a software keyboard. https://en.wikipedia.org/wiki/Input_method

More like, declaring war on any software they don't like.