(update to comment 4) have a lookc at https://bugzilla.mozilla.org/buglist.cgi?type1-0-0=substring;keywords=perf;keywords_type=allwords;list_id=4853331;field0-0-0=short_desc;type0-0-1=substring;field0-0-1=keywords;type1-0-1=allwordssubstr;resolution=---;resolution=FIXED;resolution=INVALID;classification=Client%20Software;classification=Components;chfieldto=Now;query_format=advanced;chfieldfrom=2011-01-01;type0-0-0=anywordssubstr;field1-0-0=short_desc;product=Calendar;field1-0-1=short_desc
(update to comment 4) /bugzilla. mozilla. org/buglist. cgi?type1- 0-0=substring; keywords= perf;keywords_ type=allwords; list_id= 4853331; field0- 0-0=short_ desc;type0- 0-1=substring; field0- 0-1=keywords; type1-0- 1=allwordssubst r;resolution= ---;resolution= FIXED;resolutio n=INVALID; classification= Client% 20Software; classification= Components; chfieldto= Now;query_ format= advanced; chfieldfrom= 2011-01- 01;type0- 0-0=anywordssub str;field1- 0-0=short_ desc;product= Calendar; field1- 0-1=short_ desc
have a lookc at https:/