I corrected today a major bug that impacted about fifty log files. The bug returned an unavoidable 500 error. The logs that caused this bug are all those for which the flight time is zero. These logs are now displayed in pale gray, knowing that in the future they will no longer be counted in your logs history.
Well ... The overall process of uploading and treating a log file is relatively CPU-intensive...
But I am currently thinking about it and testing different approaches. Be patient. Not sure that for a paid product developpers would go faster than I do ...