Since the upgrade to SSMS 20.2, it opens a new instance every time when I open a template from the SF, while before it should only open a new tab.
This is very annoying and undesirable, because it costs unnecessary time and resources.
I myself have not been able to find a solution, my friend Co-pilot did not know either.
Is there perhaps someone in the community who knows?
PS, I am aware of Azure Data Studio, but at this moment I still prefer SSMS
I have this same version of SSMS but for me it does not open a new window, it just opens a new tab. So I think this might be a setting problem within SSMS it self.
I found this topic to fix this problem for an older version. Perhaps this leads you towards the solution:
https://dba.stackexchange.com/questions/234564/how-to-prevent-sql-files-opening-new-instances-of-ssms-17-9-1
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