Hide the empty buffer from buffer explorers and tabbars.
Handle deleting buffers which are set to auto-delete via bufhidden.
Wipe empty buffers after hiding instead of deleting.
Handle buffer explorers and tabbars that remove or add windows mid-flight.
Extract new buffer creating to a function.
Improve an edge-case where the empty buffer might get listed and show up in buffer explorers.
Use present tense in CHANGELOG.