Upgrading from 3.2.1 to 4 - Googlecloud12/Font-Awesome GitHub Wiki
Assets (fonts, stylesheets)
Of course, you need to update the Font Awesome assets, but this is not part of this guide.
New default syntax
icon-*
->fa fa-*
(Note:fa
, base class is only needed by icons),icon-fixed-width
->fa-fw
,icon-large
->fa-lg
,icons-ul
->fa-ul
,icon-li
->fa-li
,icon-spin
->fa-spin
,icon-rotate-*
->fa-rotate-*
.
New icon names
ban-circle
->ban
,bar-chart
->bar-chart-o
,beaker
->flask
,bell
->bell-o
,bell-alt
->bell
,bitbucket-sign
->bitbucket-square
,bookmark-empty
->bookmark-o
,building
->building-o
(4.0.2),calendar-empty
->calendar-o
,check-empty
->square-o
,check-minus
->minus-square-o
,check-sign
->check-square
,check
->check-square-o
,chevron-sign-down
->chevron-down
,chevron-sign-left
->chevron-left
,chevron-sign-right
->chevron-right
,chevron-sign-up
->chevron-up
,circle-arrow-down
->arrow-circle-down
,circle-arrow-left
->arrow-circle-left
,circle-arrow-right
->arrow-circle-right
,circle-arrow-up
->arrow-circle-up
,circle-blank
->circle-o
,cny
->rmb
,collapse-alt
->minus-square-o
,collapse-top
->caret-square-o-up
,collapse
->caret-square-o-down
,comment-alt
->comment-o
,comments-alt
->comments-o
,copy
->files-o
,cut
->scissors
,dashboard
->tachometer
,double-angle-down
->angle-double-down
,double-angle-left
->angle-double-left
,double-angle-right
->angle-double-right
,double-angle-up
->angle-double-up
,download
->arrow-circle-o-down
,download-alt
->download
,edit-sign
->pencil-square
,edit
->pencil-square-o
,ellipsis-horizontal
->ellipsis-h
(4.0.2),ellipsis-vertical
->ellipsis-v
(4.0.2),envelope-alt
->envelope-o
,exclamation-sign
->exclamation-circle
,expand-alt
->plus-square-o
(4.0.2),expand
->caret-square-o-right
,external-link-sign
->external-link-square
,eye-close
->eye-slash
,eye-open
->eye
,facebook-sign
->facebook-square
,facetime-video
->video-camera
,file-alt
->file-o
,file-text-alt
->file-text-o
,flag-alt
->flag-o
,folder-close-alt
->folder-o
,folder-close
->folder
,folder-open-alt
->folder-open-o
,food
->cutlery
,frown
->frown-o
,fullscreen
->arrows-alt
(4.0.2),github-sign
->github-square
,google-plus-sign
->google-plus-square
,group
->users
(4.0.2),h-sign
->h-square
,hand-down
->hand-o-down
,hand-left
->hand-o-left
,hand-right
->hand-o-right
,hand-up
->hand-o-up
,hdd
->hdd-o
(4.0.1),heart-empty
->heart-o
,hospital
->hospital-o
(4.0.2),indent-left
->outdent
,indent-right
->indent
,info-sign
->info-circle
,keyboard
->keyboard-o
,legal
->gavel
,lemon
->lemon-o
,lightbulb
->lightbulb-o
,linkedin-sign
->linkedin-square
,meh
->meh-o
,microphone-off
->microphone-slash
,minus-sign-alt
->minus-square
,minus-sign
->minus-circle
,mobile-phone
->mobile
,moon
->moon-o
,move
->arrows
(4.0.2),off
->power-off
,ok-circle
->check-circle-o
,ok-sign
->check-circle
,ok
->check
,paper-clip
->paperclip
,paste
->clipboard
,phone-sign
->phone-square
,picture
->picture-o
,pinterest-sign
->pinterest-square
,play-circle
->play-circle-o
,play-sign
->play-circle
,plus-sign-alt
->plus-square
,plus-sign
->plus-circle
,pushpin
->thumb-tack
,question-sign
->question-circle
,remove-circle
->times-circle-o
,remove-sign
->times-circle
,remove
->times
,reorder
->bars
(4.0.2),resize-full
->expand
(4.0.2),resize-horizontal
->arrows-h
(4.0.2),resize-small
->compress
(4.0.2),resize-vertical
->arrows-v
(4.0.2),rss-sign
->rss-square
,save
->floppy-o
,screenshot
->crosshairs
,share-alt
->share
,share-sign
->share-square
,share
->share-square-o
,sign-blank
->square
,signin
->sign-in
,signout
->sign-out
,smile
->smile-o
,sort-by-alphabet-alt
->sort-alpha-desc
,sort-by-alphabet
->sort-alpha-asc
,sort-by-attributes-alt
->sort-amount-desc
,sort-by-attributes
->sort-amount-asc
,sort-by-order-alt
->sort-numeric-desc
,sort-by-order
->sort-numeric-asc
,sort-down
->sort-desc
,sort-up
->sort-asc
,stackexchange
->stack-overflow
,star-empty
->star-o
,star-half-empty
->star-half-o
,sun
->sun-o
,thumbs-down-alt
->thumbs-o-down
,thumbs-up-alt
->thumbs-o-up
,time
->clock-o
,trash
->trash-o
,tumblr-sign
->tumblr-square
,twitter-sign
->twitter-square
,unlink
->chain-broken
,upload
->arrow-circle-o-up
,upload-alt
->upload
,warning-sign
->exclamation-triangle
,xing-sign
->xing-square
,youtube-sign
->youtube-square
,zoom-in
->search-plus
,zoom-out
->search-minus
.
Other classes changes
icon-white
->fa-inverse
,icon-large
->fa-lg
,icon-2x
toicon-4x
replaced withfa-2x
tofa-4x
andfa-5x
added.