Further to comment #9 this issue seems fixed. I tested with gnome-software version 3.38.1-1 in the current development version (impish) and the 'Remove' button was displayed immediately after installation completed.
xenial, yakkety and zesty are no longer supported so closing bug report.
Further to comment #9 this issue seems fixed. I tested with gnome-software version 3.38.1-1 in the current development version (impish) and the 'Remove' button was displayed immediately after installation completed.
xenial, yakkety and zesty are no longer supported so closing bug report.