Earlier quoted context omitted.
agreed. the term upgrade also brings with it a connotation of being better. I am doubtful that this is this case.
I've been using Firefox again recently - I stopped when it was slower and less stable than Chrome. These days it often feels faster than Chrome.
I've been using $RELATIVELY_FRESH_BROWSER_INSTALL again recently. I stopped when it was slower and less stable than $BROWSER_I_HAVE_NOW_BEEN_USING_A_LONG_TIME.
These days it often feels faster than $BROWSER_I_HAVE_NOW_BEEN_USING_A_LONG_TIME.