Knee-capped? For years Safari had the best PWA support compared to Android.
And at first it even asked developers to make PWAs, and they said "no, we want native apps".
There isn't a defined spec sure, but they idea is to give Web Apps somewhat equal footing with native apps while having potential be more secure being tied to browser sandboxing, extensions, settings, etc. This doesn't appear to be in Apple's goals given those missing features. You can see devs begging for push notifications for years--and it works on desktop Safari.
At work, this is the specific feature we want above everything else in our PWA experience. Apple's been reluctant to say the least to allow repackaged Web Apps in their store, but can you blame developers when features like this are missing but present?
https://www.digitaltrends.com/computing/google-chrome-web-st...
I believe Valve's been a bit on edge (no pun intended), about Microsoft forcing games through their store as well.
Mozilla was helping us out of these walled gardens. There's even the SSB support they've been working for PWAs on desktop. Instead of bundling Electron, you could likely just target ESR Firefox and your app icon just launches this URL (this is what Peppermint OS does). Instead now you have Chrome and all of these Electron apps all competing for who can chew up the most RAM.