Thank you for reporting!

For issues:

• If the issue seems to affect only one mod, report to them instead of here.
• Remove NEI and FEI to see if they are causing the issue before reporting.
• If you crashed, please paste the crash log to gist and link it here.

For suggestions:

• Please do not suggest features from NEI. See this spreadsheet before requesting.
  enchantment maker and potion maker
  (if not please recommend a mod that has those and works for 1.16)