The Bug:

minecraft.used:minecraft.glass_bottle doesn't increase when taking water from a cauldron using a glass bottle.

Steps to Reproduce:

• Create a scoreboard objective for tracking the use of a glass bottle and set it to display on the sidebar.

/scoreboard objectives add UseBottle minecraft.used:minecraft.glass_bottle
/scoreboard objectives setdisplay sidebar UseBottle

• Take some water from a cauldron using a glass bottle.
  →  Notice how the scoreboard doesn't increase.