Hopefully this one is helpful for creating your own checklist of every single deployment.

Preresiquites

• Sitecore development
• developing with Sitecore Unicorn
• applying Gitflow
• using TortoiseGit

Step by step guide

1. download TortoiseGit and install it
2. switch to current-release git branch and pull code to make sure you get the latest code of current-release branch on your machine
3. right click on source folder then click Show log
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4. now you should see Log Messages dialog
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5. enter target-release to search box and press Enter; select Working tree changes and Merge branch target-release into develop; right click on the selection area to see a context menu; click on Compare revisions
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6. now you should see Changed Files dialog
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7. enter yml to search box then press Enter, you should see the changed Sitecore items such as content, media, layout, rendering, template, etc and Sitecore roles (Note: click on Action column to find out the new ones if any)
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8. repeat #7 for config, right click on a specific file and click on Compare revisions to find out the changes
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9. repeat #7 for any specific file types you want

Happy Deployment!