Update outdated links and fix two broken links #19985

Merged

gaearon merged 3 commits intofacebook:masterfrom sktguha:update-outdated-links

Oct 9, 2020

+14-14

Commits on Oct 7, 2020

update all facebook.github.io links
sktguha
committed

Commits on Oct 8, 2020

Merge branch 'master' of https://github.com/facebook/react into update-outdated-links
sktguha
committed
facebookincubator links : update some outdated links and fix two other broken links where they are actually the latest updated ones
sktguha
committed