You should look at git shortlog . Here is an example output:
$ git shortlog Al Jones (512): Added to .gitignore file Updated user model Bob Smith (222): Minor tweak to view Updated accounts controller Charles West (321): Started specs for user model Finished specs for user model
In your case, you want to run git shortlog LastRelease..NextRelease
Jason Axelson Dec 18 2018-12-12T00: 00Z
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