Version 0.4.8 of package Popper has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Popper describes itself as: ==================================== Summon and dismiss buffers as popups ==================================== More at https://elpa.gnu.org/packages/popper.html ## Summary: ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ POPPER: POPUP BUFFERS FOR EMACS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Popper is a minor-mode to tame the flood of ephemeral windows Emacs produces, while still keeping them within arm's reach. Designate any buffer to "popup" status, and it will stay out of your way. Disimss or summon it easily with one key. Cycle through all your "popups" or just the ones relevant to your current buffer. Group popups automatically so you're presented with the most relevant ones. Useful for many things, including toggling display of REPLs, documentation, compilation or shell output: any buffer you need instant access to but want kept out of your way! ## Recent NEWS: [Not provided 🙁]