In Java Edition, particles do not change perspective when the player moves, they only change size. However, on Bedrock Edition, particles do turn and change perspective depending on where the player is looking and such. this is most prevalent when looking a barrier particles, because it’s very confusing and irritating how they look on Bedrock Edition because they are turning and changing perspective. The particles on Java Edition look much better in my opinion and particles on Bedrock Edition should behave the same way. I may be wrong, but I think they did used to be the same on Bedrock Edition and were changed but I may be wrong.
Yes! This is reported as a bug as well, but it is good to have here on the feedback site too.
https://bugs.mojang.com/browse/MCPE-29181