Retconning has a bad reputation.
Usually because it's done in big IPs and franchises when writers change and decide to drastically alter the development of a plotline, and do it by changing established canon about the characters or the history of the setting. Usually it's sloppily done, dealt ...

How to Retcon
Tantz_Aerine at 12:00AM, Dec. 12, 2020The Need To Denigrate
Tantz_Aerine at 12:00AM, Nov. 17, 2018
Lately there has been this pattern that I've noticed in both social media and mainstream comics/cartoons outlets that is very saddening: the use of denigration and belittlement as a promotional tactic, or as an argument.
More and more I seem to notice that new series, reboots, retellings or ...
Quackcast 333 - Retcon the retcon
Ozoneocean at 12:00AM, July 25, 2017 LISTEN!
The thing with retcons is that the author tends to get an idea which makes them want to go back over their story and redo or tweak the whole thing again, that's what's happened here… well sort off. Banes had some more ideas on the subject that ...
Where's Chuck?
Banes at 12:00AM, July 13, 2017
Where's Chuck? - Retcons
Hello again!
On the previous Quackcast we talked about retcons - here's that episode if you care to listen:
http://www.theduckwebcomics.com/news/2017/jul/08/quackcast-331-retconning-your-work/
A retcon is a little tricky to define perfectly, but I guess it boils down to an alteration ...
Quackcast 331 - Retconning your work
Ozoneocean at 12:00AM, July 11, 2017 LISTEN!
Starwars, Ender's game, Captain America… All these are great examples (or bad ones) of “retcons”. But what IS a “retcon”?
What it means is that you go back and change an established work by adding new information that has the effect of changing it in a small or ...