I do have a major concern with this difficulty being too easy overall to spread properly to the hard difficulty, reason being:
I decided to post this on this difficulty in specific because I don't think nerfing the hard would be ideal since any more nerfs and it wouldn't spread well to dendro's diff. So I think the normal needs to be buffed in this instance with:
-> More usage of 1/4th (abiding by the "Avoid using more than 5 consecutive 1/4 notes." RC rule (though I think it's ok to go over 1 or 2 notes if it's really necessary)
-> More frequent usage of doubles (where appropriate)
I feel like places like 00:19:748 - 00:20:380 - where there isn't any particular strain would be fine (side note: would change 00:20:064 (20064|2) - to LN and add a note on 00:20:222 - for consistency on vocal strong beats like you did here 00:22:275 (22275|3,22590|2) - )
00:09:327 - doubles at the start of different phrases like there, here 00:10:590 - etc.
And also the 1/4th additions look great but I'd make sure that the bursts like 00:16:906 (16906|0,16985|1,17064|2,17222|3,17301|2,17380|1) - and 00:57:327 (57327|0,57406|1,57485|2,57564|3,57643|0,57722|1,57801|2) - are consistent since they're pretty much the same build up (and the former is really similar to 01:27:643 (87643|0,87722|1,87801|2,87959|3,88038|2,88117|1,88275|0,88354|1,88433|2) - despite being different sounds)