when signs are placed below water, water becomes white and clear, source blocks and flowing
items checked for creation of the bug:
signs
ladders
endrods
oak fence
oak fence gate
chests
iron bars
glass pane
vines
carpet
glass block
stone brick stairs
acacia trap door
iron door
anything that creates a gap
does not effect the flow of water or destruction of items like carpet or vine, completely visual
(unrelated to this bug but I reported this issue at 4 pm not 9 pm, today, not sure if it is time zone differences)