In survival mode, using a bucket to pick up water or lava, or to deposit water or lava from a filled bucket, causes the bucket (and the picked-up water or lava, if applicable) to disappear without a trace.
Since transporting water with buckets is pretty much an essential element in the game, and attempting to do so will destroy resources, I this should be considered a showstopper bug, eligible for a hotfix.
Linked issues
Comments


still a problem
Thank you for your report!
We're tracking this issue in MC-275757, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as Fixed. Please check the Fix Version/s field in that ticket to see in which version this behavior was or will be fixed.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support (Technical Issues) – 📧 Microsoft Support (Account Issues)
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
Turns out my initial search for the issue was not as thorough as I thought; please close as being duplicate of MC-275757