Hello ! I just noticed one thing while playing support botlane :
The yellow support item doesn't give random amount of gold anymore. The ancient coin always give 5 gold/minion (instead of 4 to 5) The nomad's medallion and upgrades always give 7 gold/minion (instead of 6 to 10)
I don't know if it's a bug or a feature forgotten in patch note, but it deserve an investigation è.é
This is not a bug, and the Ancient Coin item line has never given a random amount of gold per minion death. They have always given a flat amount.
Ancient Coin gives 4 gold per minion death and the rest give 6 gold per minion death.
The extra gold is possibly from the mastery that gives 1 gold to ranged champions for each nearby minion killed by an ally, while the 5 and 10 you are getting is from the HP the items restore per minion death along with the gold.
