Minecraft 17w49b, Minecraft 17w50a, Minecraft 18w01a
When scoreboard players reset is run, it will clear the entities name from the sidebar, as if their score was reset, even if the score that was reset was not the one that was in the sidebar. This is shown if you run the following commands in chat.
/scoreboard objectives add Ob1 dummy Objective_One /scoreboard objectives add Ob2 dummy Objective_Two /scoreboard objectives setdisplay sidebar Ob1 /scoreboard players add @s Ob1 100 /scoreboard players add @s Ob2 200 /scoreboard players reset @s Ob2
- is duplicated by
MC-123269 "sidebar" disappears when any score is reset, even if not displayed there