Script: https://greasyfork.org/en/scripts/34839-wanikani-lesson-user-synonyms-2
Adds User Synonyms to the lesson page.
Adds User Synonyms and Notes to unlearned item pages.
Quote from the original thread:
Because User Synonyms and Notes cannot be read from the WK server until lesson quiz completion anything input with this script is stored in local browser storage. This means of course that it only works if you use a single browser for WK. It is intended for use on items for which you will complete the lesson quiz relatively soon. For items in the next few levels anyway.
It should clean up after itself, but in case it loses track of anything data is set to auto-expire from local storage after 180-days of no viewing.
This script has originally been provided by @kobayashi, see the original thread here: https://community.wanikani.com/t/no-longer-working-wanikani-lesson-user-synonyms
The original script is not working anymore as of November 2017. I fixed those issues and created a copy of this script that I’ll try to maintain. Let me know if you run into any issues.