Advancements for older features

There are two advancements for bees just because there was an entire update dedicated to bees. But there is no advancement for riding a horse even though there also was an update dedicated to horses (Java 1.6).

The point, I'm trying to make is that there are way more advancements for stuff that recently got added to the game than older things. So, new stuff is over-represented. I, for example, would really like to see an advancement for collecting a music disc dropped by a creeper that was shot by a skeleton. Or even just getting a music disc at all. That's totally worth an advancement but is none because music discs were added back in Alpha 1.0.14.

Riding a horse, getting music discs are just a few examples. Plenty more can be found even by just looking at the list of all achievements for Minecraft Bedrock. And I would really like to see more of them added to the official Java version, so new players have a reason discover more of the game, including its older parts.