These "benchmarks" are from six years ago in 2015 (which is more than you say "a few years ago") by a JetBrains employee, shilling his own work at the company,

These "benchmarks" are from six years ago in 2015 (which is more than you say "a few years ago") by a JetBrains employee, shilling his own work at the company, on his own blog. [1] Given that six years has passed, those results are irrelevant to today's shipping versions. Things have evidently got much worse since that study was made. Lately, the editor is plagued not only with delays in syntax highlighting, but also complete lock-ups (keyboard unresponsive in editor panes), requiring the IDE to be restarted. I have been a paying customer of JetBrains since 2015 and have found the recent offerings to be so goopy and slow that I was ready to cancel and switch to VSCode [2] like everyone else at work. The only thing which stopped me doing so was switching the boot JDK from JBR JDK 11 to Azul Zulu 15 (though I suspect any 15 JDK will have had the same effect.) Cancelling your subscription is the best way to be heard. Constantly growing and developing software systems collapse under their own weight eventually, and JetBrains' products are no exception. [1] I find it weird and distasteful that an employee is advertising the company's products in this way. [2] or emacs, which is wicked-fast with native-comp