It's a link to a blog post announcing a release. The product page [1] is a bit more informative. The best 3 word summary probably is "Electron, but rust".
And not bundling Chromium, but using OS-native webview instead.
> "Electron, but rust"
If we are talking about language then it is more like: "Neutralino, but rust".
nor meant for you if you never heard of it - stop putting yourself in the centre of the universe - it's a blog post announcing a release branch of Tauri which is something similar to Electron
If you’re not a cross-platform app developer you can ignore this, yes.
What does hand wavy mean?
"Being light on the details" is one generous explanation. You can add more intent, judgement to make it a lot worse though.
Usually "dismissive" but it's come to mean vague or short on details.