This can get a little confusing, but I'm not going to look up dates and velocities, sorry.
A long time ago, (better than half a century) there was an improved .22LR loading, called "high velocity". The original load became known as "standard velocity". The High Velocity load became so popular, it became the "standard" and the original "standard velocity" ammo was still produced, as Target ammo.
There are some old .22s that were never made to take "high velocity" ammo.
Today, about every common .22LR is the "high vel" load. Remington Golden Bullets, Thunderbolts, Winchecter Wildcats and other are all "high velocity".
There is also an even higher velocity load, usually called "hyper velocity" Stingers, Yellowjackets, Vipers and such. Some guns won't take them, most will.