Fire doesn't burn any items, nether normal fire or blue fire burns the items. it is only fire that does this, lava destroys all the items that should.
Environment
My OS is Windows 10, latest version of java.
Linked issues
duplicates 1
Comments 2
Duplicate of MC-171076. Please remember to search before posting
Can confirm! It seems to me though that both in the overworld and in the Nether fire doesn't burn any items.