NEW SPECIES - MANY QUESTIONS

[HapaNopsis]

Hi there! I am new to this group and I had a few questions on how to properly take care of my orchids. In the past I have only had Phals, but in the past few months I have inherited a couple new gals and I noticed the roots are much skinnier and tighter together than the phals. I have attached the photos and was hoping you could answer the following: Can I/should I repot these 2 into bigger pots? I do know, one is the Witchcraft and this one I just got 2 days ago. I am seeing lots of spots on the leaves and I'm not sure what they are? Can you please advise of lighting and feeding requirements while in bloom?

Can you please let me know what the red one is? It was quite fragrant when I got this in March. At the time, it only had 1 blooming spike and 2 coming in. The original spike now lost all its flowers and the other 2 have bloomed 2 weeks ago...but now there is no scent.

My wonderful husband just purchased a Qing Ming for me and I should get this in the mail this weekend. Is there anything unique about

Last, I have a Phal that is currently blooming with 2 spikes, but it looks like the pot is a little tight. I have seen conflicting information regarding repotting while in bloom. Can you confirm if I can or cannot repot?

Thank you all for your help!