Frankly, Github did a very poor job at communication this breaking change.
I only recently discovered that most of my post got broken.
Apparently it's no longer legit to use "#Title", you need to "# Title" (and god knows what else).
Linking is broken too - in Jekyll 2 there was no difference if a URL ended in "/" or not - you were just taken to the page, now this is a massive, although fixable pain (see https://github.com/jekyll/jekyll/issues/4440)
As a result my site experienced 500% drop in organic search referrals from Google.
I got no single email from then announcing this change. Very unhappy with how github handled it.
I only recently discovered that most of my post got broken.
Apparently it's no longer legit to use "#Title", you need to "# Title" (and god knows what else).
Linking is broken too - in Jekyll 2 there was no difference if a URL ended in "/" or not - you were just taken to the page, now this is a massive, although fixable pain (see https://github.com/jekyll/jekyll/issues/4440)
As a result my site experienced 500% drop in organic search referrals from Google.
I got no single email from then announcing this change. Very unhappy with how github handled it.