How could I use git bisect to find the first GOOD commit?

Question

I have the following problem:

• the version at master works fine
• the version of the last tag before master (say last

Answer 1

Git now lets you use old and new without first defining them. You have to call git bisect start without commits as further arguments, then properly start the bisection by calling

git bisect old 
git bisect new 

https://git-scm.com/docs/git-bisect#_alternate_terms

This essentially is what @MarcH was suggesting should be implemented.