Searching for a knowledge article in Global Search returns the outdated version of the article.
Steps to Reproduce
Navigate to Knowledge > Articles > Create a New Article.
Fill in the fields, click Save.
Publish the article according to your publishing workflow.
In the article that you just created, click Checkout.
Modify and republish the article.
A newer version of the article is created.
Copy the article number and paste it in the Global Search field in the upper right of the banner frame.
Instead of returning the newest version, the search returns the Outdated version of the article.
Click the blue KB number link to the right of the article to open the latest published version.
Related Problem: PRB1200463