https://petershaggynoble.github.io/MDI-Sandbox/extended/
List of icons already included. Some should be either replaced or given a variant, others I feel we have the better design and some are identical.
I = Identical
U = Updated Google Icon
rotate-3d - 360human - accessibility-new Variant as arms are stretched upwards slightly.phone-plus - add-call Imessage-plus - add-comment Should be given message-reply-plusadd-photo-alternateallo | Addedat - alternate-email | Updated and assigned to Googlemenu-left - arrow-left Imenu-right - arrow-right Iartist | Addedgoogle-drive - attach-drive and drive Icollage - auto-awesome-mosaic Ianimation - auto-awesome-animation Iauto-fix - auto-fix Ibook-open-page-variant - auto-stories Ichart-bar - bar-chart and finance barcode - barcodebarcode-scan - barcode-scannercheck - bigtop-done Ibookmark-outline - bookmark-outline Icalendar-blank - calendar-today Icalendar-view-daygoogle-cardboard - cardboardcheckbox-blank-outline - check-box-outline-blank Icheck-circle-outline - check-circle-outlinegoogle-chrome - chromecast Igoogle-circles - circles Iplus-circle-outline - circles-add Igoogle-circles-extended - circles-ext Igoogle-circles-communities - communities Ithermometer - device-thermostatferry - directions-ferry Ipaw - dogfoodfile - draft and drive-file Iheadphones-box - drive-audio Ifile-document-box - drive-document Idrawing-box - drive-drawing Irename-box - drive-file-rename Iimage - drive-image Igoogle-keep - drive-keepfile-excel-box - drive-ms-excel Ifile-powerpoint-box - drive-ms-powerpoint Ifile-word-box - drive-ms-word Ifile-pdf-box - drive-pdffile-document - file-textmovie - drive-movie Izip-box - drive-zip I google-earth - earth Uflask-empty - experimentfood - fast-foodheart-outline - favourite-outline Ifile-multiple - file-copyimage-filter-frames - filter-frames Ifish - fishfoodfolder-google-drive - folder-mydrive Iformat-textdirection-l-to-r - format-textdirection-l-to-r Iformat-textdirection-r-to-l - format-textdirection-r-to-l Ifullscreen-exit - fullscreen-exit Igarage - garage-doormusic-circle - genresgoogle-glass - glass Igmail - gmail Igoogle - google Ugoogle-assistant - google-assistant Uhttps://github.com/Templarian/MaterialDesign/issues/1811 - google-homegoogle-plus - google-plus Ishare - googleplus-reshare Icoffee - googler-deskhangouts - hangouts Iheadset - headset-mic Iheadset-off - headset-offclose-circle-outline - highlight-removetimer-sand-empty - hourglass-empty Idice-3 - iflaccount-box - inbox-contacts Iincognito - incognito and incognito-circleeraser-variant - ink-eraser Imarker - ink-highlighter Igrease-pencil - ink-marker Ipen - ink-pentune-vertical - instant-mixinvert-colors - invert-colors-on Iapple-ios - ios Ipin - keeppin-off - keep-offdots-horizontal - keyboard-controllightbulb-outline - lightbulb-outline Ilink-off - link-offairplane - local-airport Iticket - local attractionprinter - local-print-shopgoogle-maps - maps Uwindow-maximize - maximizewindow-minimize - minimizecash-100 - moneymusic-off - music-offgoogle-nearby - nearby Unest-protect - nest-protect Inest-thermostat - nest-thermostat Inewspaper - newsbell-sleep - notifications-pausedwidgets - now-widgets Iflag-outline - outlined-flag Ugoogle-photos - photos Upanorama - planner-banner-ad-ls Ipulse - planner-reviewplay-circle-outline - play-circle-outline Igoogle-controller - play-games Ugoogle-play - play-prism Ublogger - post-blogger Ifacebook-box - post-facebookgoogle-plus-box - post-gplus Iinstagram - post-instagramlinkedin-box - post-linkedin Ipinterest-box - post-pinterest Itumblr - post-tumblr Itwitter-box - post-twitter Ipower-plug-off - power-offsteering - search-hands-freeemoticon-happy - sentiment-satisfied-altsettings-box - settings-applications Istar-outline - star-outline Ichevron-up - stat-1 Ichevron-double-up - stat-2 Ichevron-down - stat-minus-1 Ichevron-double-down - stat-minus-2 Isticker-emoji - sticker Igauge - swap-driving-apps-wheel Ibullseye - targetthumb-down - thumb-down-alt Ithumb-up - thumb-up-alt Itrophy - trophyplus-circle-outline - unknown-3minus-circle-outline - unknown-4youtube-play - video-youtube Should probably be changed to just youtubegoogle-wallet - wallet-product I | Nothingwaves - waves | Kept community versionyoutube-creator-studio - youtube-creator U | Updatedauto-towing | Added https://materialdesignicons.com/icon/towingladybug ladybird | Added https://materialdesignicons.com/icon/ladybugarrow-collapse-verticalarrow-collapse-horizontalarrow-expand-verticalarrow-expand-horizontalGood work, @GreenTurtwig; gave me a decent jumping off point for the spreadsheet.
No problem. 馃悎
Any that or identical, we just need to make sure we have aliases entered. I'll work on the icons if someone else wants to check those off. 馃槂
Aliases added for the newly added icons. I should be able to get on to some more aliasing of Google names later on today.
This is the icon Google uses for finance on their Inbox by Gmail service.
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Slightly different from the one listed above.
@k5cents, can you submit that as a separate request/contribution so it doesn't get lost in the shuffle here?
Google have added a few more icons to this set which I've added to the sandbox's preview file:
I wonder if we should replace and update our filter icons with this version. I kind of like the round design.

Google have added 4 more icons, including a door:

Also, their edit-off icon mentioned above (and highlighted in red below) differs slightly from our pencil-off (in grey) but I don't know if it's worth updating:

They've added a glyph to the expand all ligature:

They've also added a glyph to the collapse all ligature now, as well as a new express campaign icon:

Departure board isn't listed here but was added to MDI: https://materialdesignicons.com/icon/bus-clock
A lot of new icons have since been added. To save time and not have such a long list here are the icons that need to be updated, reassigned, added as a variant, or not added at all, the rest can just be added with adequate name changes.
inbox-multiple needs to be updated to match all inboxphone-plus is identical to add ic callarrow-down-bold and arrow-up-bold need updating and reassigning to match arrow upward alt and arrow downward alt alongside the other arrow-[direction]-bold icons too.format-color-fill is identical to colorscontacts needs contacts product added as a variantclose-octagon needs to be reassigned as dangerous is identical?star-outline is identical to favourite newsweb is identical toheadlinehome needs home filled added as a variantimagesearch rollercheckbox-multiple-marked needs updating and reassigning to match library add checkview-list needs to be replaced by lists or added as a variant?logout needs updating and reassigning to match logoutstove needs updating and reassigning to match ovenshield is identical to shieldspeedometer needs updating and reassigning to match speedaccount-box-multiple needs updating to match switch accountpound needs updating and reassigning to match tagtoggle-switch-off is identical to toggle offtoggle-switch is identical to toggle-onmotorbike needs two wheeler added as a variant. (Be aware we already need to update motorbike to match a previous Google design.)cash needs updating and reassigning to match universal currencyfile-upload-outline needs updating and reassigning to match upload fileTo follow up on a few of @GreenTurtwig's points above:
colors sits higher on the canvas than format_color_fill to accommodate color-helper.contacts_product not just an inconsistent variant of account-circle?favorite_news and headline are a slightly different size to star-outline & web but I don't think that warrants updating them.oven and stove - a stove is typically free-standing and may also have a hob on top while an oven is typically wall mounted.account-box-multiple was lifted straight from YouTube - just another damned Google inconsistency! 馃檮cash in the set: money and universal_currency_alt.This issue is way too large to accurately manage any of the icons or requests within. I am recommending we close it and start curating the Extended Set for icons we want to add and create issues for each one individually.