I have created a sub site which contain 4 issue tracking lists. then i saved the sub-site as a template. After that i created 5 subsites based on the site templete. now some users requested that they want to add additional values inside some issue tracking lists' drop-down fields on some sub sites. so i am confused how i should be managing this ? i find this approach but it seems to me not the best to follow:-
To allow modifying the fields at the list level, but in this case i should prevent managing the columns from the site collection level, because i might override a modification that have been made at the list level. following this approach will provide a flexible way to manage the sub sites' lists, so each sub site can have unique fields values and setting,,, but it will be a night mare if we decide that we want to modify a share column such as adding a new status inside the Priority field ,, because in this case we can not guarantee that the column was not previously modified at the site level,, and we need to go to each sub site and add the new status manually ,, instead of just updating the column the site level ???
so how i can manage this, i mean when creating sub-sites based on site templates,, which approach we need to follow when sub sites have unique values and setting inside their lists' columns ? does this mean that each sub site will be managed separately
? and the template is used just as a starting point , and no global updates can be made to all the sub-sites,, since this might override any modification that have been made at the sub site lists ?