NOTABUG/FIXED you CAN turn old posts into a series :)
create a post without a series
create a 2nd post with a series
edit 1st post and add series
TEST CASE
1st post now a has a series TOC
2nd post still has series TOC
For further actions, you may consider blocking this person and/or reporting abuse
Top comments (2)
Looks like both posts have a series at top of your posts. Looks fine to me.
FAB thanks ! either it was a browser/CDN caching issue or devto have fixed it