In 1.14 Lore formatting changed and you have to use "\n" for new lines unlike 1.13 where you could put a simple coma between lines. However using "\n" does not put the text in the second line instead it creates (I believe) a "Line Feed" symbol between lines.
ex.
[media][media]Linked issues
duplicates 1
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@unknown, as indicated in this report, it is a duplicate of MC-39987, which has been resolved as Working as Intended.
MC-39987 which was marked "Working as Intended", was not actually "Working as Intended".
MC-39987 has been fixed. You can now use \n in chat.
However, you still can't use \n in item lore.
This report is neither a duplicate (since it's about items, not chat) nor working as intended (see above). Please reopen it.
As for why I'd like this bug fixed:
While it is possible to simply use a "list of lines", this is not possible when working with translations.
I would like to be able to have a translation that is 2-lines long (eg. English) and a translation that is 1-line long (eg. Japanese).
This would be really easy to do if \n worked in item lore, because I could simply make it so that the English translation has a \n in it.
Does using the carriage return make a difference? E.g. \r or \n\r ?