[eternityforest]

LEDs do get dimmer over time, so they should still be replaceable if possible.

A lot of fixtures are big enough to hide a recessed but still accessible box with a USB charger.

USB powered lights would solve a lot of this, they are more durable by far than led bulbs it seems, and the bulb itself would only need to request a specific current via PPS.

No new standards created, all parts reusable in other things, nothing intimidating for a consumer that would require professional service, if it breaks you probably already have a spare, if you want to get more compact than USB C wall outlets already exist.

[jaclaz]

It could well be (for common threaded bulbs) a sort of socket adapter, the base containing the driver and a connector to the actual bulb/led.

The 5V choice might not be the best one, but 12 or 24 V (like commonly led strip are powered) could be fine.

[eternityforest]

USB isn't just 5V, PPS actually lets you request a specific voltage and current, so you wouldn't need driver electronics at all in the actual light, as long as all you want is just regular on/off control, so the light part can be just a bare LED and a communication chip.

A socket adapter might be the best for getting it out there though, you'd need more new electronics but no new construction work. But with a new electrical interface you could cover RGBW too.

I wonder if it would be possible to make the heat sink a separate part too without needing paste or degrading performance, since heatsinks don't wear out