I recently learned about optional chaining in Javascript and have been making use of it in a React/NodeJS project. Works great. I noticed I have been using it
odoo
pact-broker
react-calendar
geany-plugin
nuget-package-restore
safearray
user-instance
twilio-api
point-in-time-recovery
jquery-datatables
discord-buttons
elsa-workflows
dill
glyph-substitution
expansion
weave
datareader
http-status-code-404
healthd
npm-shrinkwrap
tfs-2018
anymatch
manhattan
iseries-navigator
pageloadtimeout
tac
xmlbeans-maven-plugin
git-submodules
android-compose-textfield
heremaps-ios-sdk