Yesterday, I came to update my blog: I had a new post in draft form and I wanted to update the Swift code to version 4. However installing High Sierra had removed Jekyll which is the site generator that I had been using. I re-installed Jekyll but found that it had been updated from version 2 to version 3. --- Jekyll Problems # Then my problems started: missing dependencies due to the basic Jekyll install no longer including certain features, and then syntax errors due to changes in the way th...