diff --git a/app/datasets/mimetypes.json b/app/datasets/mimetypes.json
index d0355ed82..e8f49e314 100644
--- a/app/datasets/mimetypes.json
+++ b/app/datasets/mimetypes.json
@@ -6,78 +6,37 @@
   "image/png",
   "image/jpeg",
   "image/gif",
-  "application/vnd.lotus-1-2-3",
   "application/andrew-inset",
   "application/applixware",
   "application/atom+xml",
   "application/atomcat+xml",
   "application/atomsvc+xml",
   "application/bdoc",
-  "application/ccxml+xml",
-  "application/cdmi-capability",
-  "application/cdmi-container",
-  "application/cdmi-domain",
-  "application/cdmi-object",
-  "application/cdmi-queue",
   "application/cu-seeme",
   "application/dash+xml",
   "application/davmount+xml",
   "application/docbook+xml",
-  "application/dssc+der",
   "application/dssc+xml",
   "application/ecmascript",
-  "application/emma+xml",
   "application/epub+zip",
   "application/exi",
   "application/font-tdpfr",
   "application/font-woff",
   "application/font-woff2",
   "application/geo+json",
-  "application/gml+xml",
-  "application/gpx+xml",
-  "application/gxf",
-  "application/hyperstudio",
-  "application/inkml+xml",
-  "application/ipfix",
-  "application/java-archive",
   "application/java-serialized-object",
-  "application/java-vm",
   "application/javascript",
   "application/json5",
   "application/jsonml+json",
   "application/ld+json",
   "application/lost+xml",
-  "application/mac-binhex40",
-  "application/mac-compactpro",
-  "application/mads+xml",
   "application/manifest+json",
-  "application/marc",
-  "application/marcxml+xml",
-  "application/mathematica",
-  "application/mathml+xml",
-  "application/mbox",
-  "application/mediaservercontrol+xml",
-  "application/metalink+xml",
-  "application/metalink4+xml",
-  "application/mets+xml",
-  "application/mods+xml",
-  "application/mp21",
   "application/mp4",
   "application/msword",
   "application/mxf",
   "application/octet-stream",
-  "application/x-msdos-program",
-  "application/x-msdownload",
-  "application/x-debian-package",
-  "application/x-apple-diskimage",
-  "application/x-iso9660-image",
   "application/oda",
-  "application/oebps-package+xml",
   "application/ogg",
-  "application/omdoc+xml",
-  "application/onenote",
-  "application/oxps",
-  "application/patch-ops-error+xml",
   "application/pdf",
   "application/pgp-encrypted",
   "application/pgp-signature",
@@ -86,534 +45,78 @@
   "application/pkcs7-mime",
   "application/pkcs7-signature",
   "application/pkcs8",
-  "application/pkix-attr-cert",
-  "application/pkix-cert",
-  "application/pkix-crl",
-  "application/pkix-pkipath",
-  "application/pkixcmp",
-  "application/pls+xml",
   "application/postscript",
-  "application/prs.cww",
   "application/pskc+xml",
-  "application/rdf+xml",
-  "application/reginfo+xml",
-  "application/relax-ng-compact-syntax",
   "application/resource-lists+xml",
   "application/resource-lists-diff+xml",
   "application/rls-services+xml",
-  "application/rpki-ghostbusters",
-  "application/rpki-manifest",
-  "application/rpki-roa",
   "application/rsd+xml",
   "application/rss+xml",
   "application/rtf",
-  "application/sbml+xml",
-  "application/scvp-cv-request",
-  "application/scvp-cv-response",
-  "application/scvp-vp-request",
-  "application/scvp-vp-response",
   "application/sdp",
-  "application/set-payment-initiation",
-  "application/set-registration-initiation",
   "application/shf+xml",
-  "application/smil+xml",
-  "application/sparql-query",
-  "application/sparql-results+xml",
-  "application/srgs",
-  "application/srgs+xml",
-  "application/sru+xml",
-  "application/ssdl+xml",
-  "application/ssml+xml",
-  "application/tei+xml",
-  "application/thraud+xml",
   "application/timestamped-data",
-  "application/vnd.3gpp.pic-bw-large",
-  "application/vnd.3gpp.pic-bw-small",
-  "application/vnd.3gpp.pic-bw-var",
-  "application/vnd.3gpp2.tcap",
-  "application/vnd.3m.post-it-notes",
-  "application/vnd.accpac.simply.aso",
-  "application/vnd.accpac.simply.imp",
-  "application/vnd.acucobol",
-  "application/vnd.acucorp",
-  "application/vnd.adobe.air-application-installer-package+zip",
-  "application/vnd.adobe.formscentral.fcdt",
-  "application/vnd.adobe.fxp",
-  "application/vnd.adobe.xdp+xml",
-  "application/vnd.adobe.xfdf",
-  "application/vnd.ahead.space",
-  "application/vnd.airzip.filesecure.azf",
-  "application/vnd.airzip.filesecure.azs",
-  "application/vnd.amazon.ebook",
-  "application/vnd.americandynamics.acc",
-  "application/vnd.amiga.ami",
   "application/vnd.android.package-archive",
-  "application/vnd.anser-web-certificate-issue-initiation",
-  "application/vnd.anser-web-funds-transfer-initiation",
-  "application/vnd.antix.game-component",
   "application/vnd.apple.installer+xml",
   "application/vnd.apple.mpegurl",
   "application/vnd.apple.pkpass",
-  "application/vnd.aristanetworks.swi",
-  "application/vnd.astraea-software.iota",
-  "application/vnd.audiograph",
-  "application/vnd.blueice.multipass",
   "application/vnd.bmi",
-  "application/vnd.businessobjects",
-  "application/vnd.chemdraw+xml",
-  "application/vnd.chipnuts.karaoke-mmd",
-  "application/vnd.cinderella",
-  "application/vnd.claymore",
-  "application/vnd.cloanto.rp9",
-  "application/vnd.clonk.c4group",
-  "application/vnd.cluetrust.cartomobile-config",
-  "application/vnd.cluetrust.cartomobile-config-pkg",
-  "application/vnd.commonspace",
-  "application/vnd.contact.cmsg",
-  "application/vnd.cosmocaller",
-  "application/vnd.crick.clicker",
-  "application/vnd.crick.clicker.keyboard",
-  "application/vnd.crick.clicker.palette",
-  "application/vnd.crick.clicker.template",
-  "application/vnd.crick.clicker.wordbank",
-  "application/vnd.criticaltools.wbs+xml",
-  "application/vnd.ctc-posml",
-  "application/vnd.cups-ppd",
   "application/vnd.curl.car",
   "application/vnd.curl.pcurl",
-  "application/vnd.dart",
-  "application/vnd.data-vision.rdz",
-  "application/vnd.dece.data",
-  "application/vnd.dece.ttml+xml",
-  "application/vnd.dece.unspecified",
-  "application/vnd.dece.zip",
-  "application/vnd.denovo.fcselayout-link",
   "application/vnd.dna",
-  "application/vnd.dolby.mlp",
-  "application/vnd.dpgraph",
-  "application/vnd.dreamfactory",
-  "application/vnd.ds-keypoint",
-  "application/vnd.dvb.ait",
-  "application/vnd.dvb.service",
-  "application/vnd.dynageo",
-  "application/vnd.ecowin.chart",
-  "application/vnd.enliven",
-  "application/vnd.epson.esf",
-  "application/vnd.epson.msf",
-  "application/vnd.epson.quickanime",
-  "application/vnd.epson.salt",
-  "application/vnd.epson.ssf",
-  "application/vnd.eszigno3+xml",
-  "application/vnd.ezpix-album",
-  "application/vnd.ezpix-package",
-  "application/vnd.fdf",
-  "application/vnd.fdsn.mseed",
-  "application/vnd.fdsn.seed",
-  "application/vnd.flographit",
-  "application/vnd.fluxtime.clip",
-  "application/vnd.framemaker",
-  "application/vnd.frogans.fnc",
-  "application/vnd.frogans.ltf",
-  "application/vnd.fsc.weblaunch",
-  "application/vnd.fujitsu.oasys",
-  "application/vnd.fujitsu.oasys2",
-  "application/vnd.fujitsu.oasys3",
-  "application/vnd.fujitsu.oasysgp",
-  "application/vnd.fujitsu.oasysprs",
-  "application/vnd.fujixerox.ddd",
-  "application/vnd.fujixerox.docuworks",
-  "application/vnd.fujixerox.docuworks.binder",
-  "application/vnd.fuzzysheet",
-  "application/vnd.genomatix.tuxedo",
-  "application/vnd.geogebra.file",
-  "application/vnd.geogebra.tool",
-  "application/vnd.geometry-explorer",
-  "application/vnd.geonext",
-  "application/vnd.geoplan",
-  "application/vnd.geospace",
-  "application/vnd.gmx",
   "application/vnd.google-apps.document",
   "application/vnd.google-apps.presentation",
   "application/vnd.google-apps.spreadsheet",
-  "application/vnd.google-earth.kml+xml",
-  "application/vnd.google-earth.kmz",
-  "application/vnd.grafeq",
-  "application/vnd.groove-account",
-  "application/vnd.groove-help",
-  "application/vnd.groove-identity-message",
-  "application/vnd.groove-injector",
-  "application/vnd.groove-tool-message",
-  "application/vnd.groove-tool-template",
-  "application/vnd.groove-vcard",
   "application/vnd.hal+xml",
   "application/vnd.handheld-entertainment+xml",
-  "application/vnd.hbci",
-  "application/vnd.hhe.lesson-player",
-  "application/vnd.hp-hpgl",
-  "application/vnd.hp-hpid",
-  "application/vnd.hp-hps",
-  "application/vnd.hp-jlyt",
-  "application/vnd.hp-pcl",
-  "application/vnd.hp-pclxl",
-  "application/vnd.hydrostatix.sof-data",
-  "application/vnd.ibm.minipay",
-  "application/vnd.ibm.modcap",
-  "application/vnd.ibm.rights-management",
-  "application/vnd.ibm.secure-container",
-  "application/vnd.iccprofile",
-  "application/vnd.igloader",
-  "application/vnd.immervision-ivp",
-  "application/vnd.immervision-ivu",
-  "application/vnd.insors.igm",
-  "application/vnd.intercon.formnet",
-  "application/vnd.intergeo",
-  "application/vnd.intu.qbo",
-  "application/vnd.intu.qfx",
-  "application/vnd.ipunplugged.rcprofile",
-  "application/vnd.irepository.package+xml",
-  "application/vnd.is-xpr",
-  "application/vnd.isac.fcs",
-  "application/vnd.jam",
-  "application/vnd.jcp.javame.midlet-rms",
-  "application/vnd.jisp",
-  "application/vnd.joost.joda-archive",
-  "application/vnd.kahootz",
-  "application/vnd.kde.karbon",
-  "application/vnd.kde.kchart",
-  "application/vnd.kde.kformula",
-  "application/vnd.kde.kivio",
-  "application/vnd.kde.kontour",
-  "application/vnd.kde.kpresenter",
-  "application/vnd.kde.kspread",
-  "application/vnd.kde.kword",
-  "application/vnd.kenameaapp",
-  "application/vnd.kidspiration",
-  "application/vnd.kinar",
-  "application/vnd.koan",
-  "application/vnd.kodak-descriptor",
-  "application/vnd.las.las+xml",
-  "application/vnd.llamagraphics.life-balance.desktop",
-  "application/vnd.llamagraphics.life-balance.exchange+xml",
-  "application/vnd.lotus-approach",
-  "application/vnd.lotus-freelance",
-  "application/vnd.lotus-notes",
-  "application/vnd.lotus-organizer",
-  "application/vnd.lotus-screencam",
-  "application/vnd.lotus-wordpro",
   "application/vnd.macports.portpkg",
-  "application/vnd.mcd",
-  "application/vnd.medcalcdata",
-  "application/vnd.mediastation.cdkey",
-  "application/vnd.mfer",
-  "application/vnd.mfmp",
-  "application/vnd.micrografx.flo",
-  "application/vnd.micrografx.igx",
-  "application/vnd.mif",
-  "application/vnd.mobius.daf",
-  "application/vnd.mobius.dis",
-  "application/vnd.mobius.mbk",
-  "application/vnd.mobius.mqy",
-  "application/vnd.mobius.msl",
-  "application/vnd.mobius.plc",
-  "application/vnd.mobius.txf",
-  "application/vnd.mophun.application",
-  "application/vnd.mophun.certificate",
   "application/vnd.mozilla.xul+xml",
-  "application/vnd.ms-artgalry",
-  "application/vnd.ms-cab-compressed",
-  "application/vnd.ms-excel",
-  "application/vnd.ms-excel.addin.macroenabled.12",
-  "application/vnd.ms-excel.sheet.binary.macroenabled.12",
-  "application/vnd.ms-excel.sheet.macroenabled.12",
-  "application/vnd.ms-excel.template.macroenabled.12",
-  "application/vnd.ms-fontobject",
-  "application/vnd.ms-htmlhelp",
-  "application/vnd.ms-ims",
-  "application/vnd.ms-lrm",
-  "application/vnd.ms-officetheme",
-  "application/vnd.ms-pki.seccat",
-  "application/vnd.ms-pki.stl",
-  "application/vnd.ms-powerpoint",
-  "application/vnd.ms-powerpoint.addin.macroenabled.12",
-  "application/vnd.ms-powerpoint.presentation.macroenabled.12",
-  "application/vnd.ms-powerpoint.slide.macroenabled.12",
-  "application/vnd.ms-powerpoint.slideshow.macroenabled.12",
-  "application/vnd.ms-powerpoint.template.macroenabled.12",
-  "application/vnd.ms-project",
-  "application/vnd.ms-word.document.macroenabled.12",
-  "application/vnd.ms-word.template.macroenabled.12",
-  "application/vnd.ms-works",
-  "application/vnd.ms-wpl",
-  "application/vnd.ms-xpsdocument",
-  "application/vnd.mseq",
-  "application/vnd.musician",
-  "application/vnd.muvee.style",
-  "application/vnd.mynfc",
-  "application/vnd.neurolanguage.nlu",
-  "application/vnd.nitf",
-  "application/vnd.noblenet-directory",
-  "application/vnd.noblenet-sealer",
-  "application/vnd.noblenet-web",
-  "application/vnd.nokia.n-gage.data",
-  "application/vnd.nokia.n-gage.symbian.install",
-  "application/vnd.nokia.radio-preset",
-  "application/vnd.nokia.radio-presets",
-  "application/vnd.novadigm.edm",
-  "application/vnd.novadigm.edx",
-  "application/vnd.novadigm.ext",
-  "application/vnd.oasis.opendocument.chart",
-  "application/vnd.oasis.opendocument.chart-template",
-  "application/vnd.oasis.opendocument.database",
-  "application/vnd.oasis.opendocument.formula",
-  "application/vnd.oasis.opendocument.formula-template",
-  "application/vnd.oasis.opendocument.graphics",
-  "application/vnd.oasis.opendocument.graphics-template",
-  "application/vnd.oasis.opendocument.image",
-  "application/vnd.oasis.opendocument.image-template",
-  "application/vnd.oasis.opendocument.presentation",
-  "application/vnd.oasis.opendocument.presentation-template",
-  "application/vnd.oasis.opendocument.spreadsheet",
-  "application/vnd.oasis.opendocument.spreadsheet-template",
-  "application/vnd.oasis.opendocument.text",
-  "application/vnd.oasis.opendocument.text-master",
-  "application/vnd.oasis.opendocument.text-template",
-  "application/vnd.oasis.opendocument.text-web",
-  "application/vnd.olpc-sugar",
-  "application/vnd.oma.dd2+xml",
-  "application/vnd.openofficeorg.extension",
-  "application/vnd.openxmlformats-officedocument.presentationml.presentation",
-  "application/vnd.openxmlformats-officedocument.presentationml.slide",
-  "application/vnd.openxmlformats-officedocument.presentationml.slideshow",
-  "application/vnd.openxmlformats-officedocument.presentationml.template",
-  "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
-  "application/vnd.openxmlformats-officedocument.spreadsheetml.template",
-  "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-  "application/vnd.openxmlformats-officedocument.wordprocessingml.template",
-  "application/vnd.osgeo.mapguide.package",
-  "application/vnd.osgi.dp",
-  "application/vnd.osgi.subsystem",
-  "application/vnd.palm",
-  "application/vnd.pawaafile",
-  "application/vnd.pg.format",
-  "application/vnd.pg.osasli",
-  "application/vnd.picsel",
-  "application/vnd.pmi.widget",
-  "application/vnd.pocketlearn",
-  "application/vnd.powerbuilder6",
-  "application/vnd.previewsystems.box",
-  "application/vnd.proteus.magazine",
-  "application/vnd.publishare-delta-tree",
-  "application/vnd.pvi.ptid1",
-  "application/vnd.quark.quarkxpress",
-  "application/vnd.realvnc.bed",
-  "application/vnd.recordare.musicxml",
-  "application/vnd.recordare.musicxml+xml",
-  "application/vnd.rig.cryptonote",
-  "application/vnd.rim.cod",
-  "application/vnd.rn-realmedia",
-  "application/vnd.rn-realmedia-vbr",
-  "application/vnd.route66.link66+xml",
-  "application/vnd.sailingtracker.track",
-  "application/vnd.seemail",
-  "application/vnd.sema",
-  "application/vnd.semd",
-  "application/vnd.semf",
-  "application/vnd.shana.informed.formdata",
-  "application/vnd.shana.informed.formtemplate",
-  "application/vnd.shana.informed.interchange",
-  "application/vnd.shana.informed.package",
-  "application/vnd.simtech-mindmapper",
-  "application/vnd.smaf",
-  "application/vnd.smart.teacher",
-  "application/vnd.solent.sdkm+xml",
-  "application/vnd.spotfire.dxp",
-  "application/vnd.spotfire.sfs",
-  "application/vnd.stardivision.calc",
-  "application/vnd.stardivision.draw",
-  "application/vnd.stardivision.impress",
-  "application/vnd.stardivision.math",
-  "application/vnd.stardivision.writer",
-  "application/vnd.stardivision.writer-global",
-  "application/vnd.stepmania.package",
-  "application/vnd.stepmania.stepchart",
-  "application/vnd.sun.xml.calc",
-  "application/vnd.sun.xml.calc.template",
-  "application/vnd.sun.xml.draw",
-  "application/vnd.sun.xml.draw.template",
-  "application/vnd.sun.xml.impress",
-  "application/vnd.sun.xml.impress.template",
-  "application/vnd.sun.xml.math",
-  "application/vnd.sun.xml.writer",
-  "application/vnd.sun.xml.writer.global",
-  "application/vnd.sun.xml.writer.template",
-  "application/vnd.sus-calendar",
-  "application/vnd.svd",
-  "application/vnd.symbian.install",
-  "application/vnd.syncml+xml",
-  "application/vnd.syncml.dm+wbxml",
-  "application/vnd.syncml.dm+xml",
-  "application/vnd.tao.intent-module-archive",
-  "application/vnd.tcpdump.pcap",
-  "application/vnd.tmobile-livetv",
-  "application/vnd.trid.tpt",
-  "application/vnd.triscape.mxs",
-  "application/vnd.trueapp",
-  "application/vnd.ufdl",
-  "application/vnd.uiq.theme",
-  "application/vnd.umajin",
   "application/vnd.unity",
-  "application/vnd.uoml+xml",
-  "application/vnd.vcx",
-  "application/vnd.visio",
-  "application/vnd.visionary",
-  "application/vnd.vsf",
-  "application/vnd.wap.wbxml",
-  "application/vnd.wap.wmlc",
-  "application/vnd.wap.wmlscriptc",
   "application/vnd.webturbo",
   "application/vnd.wolfram.player",
-  "application/vnd.wordperfect",
-  "application/vnd.wqd",
-  "application/vnd.wt.stf",
-  "application/vnd.xara",
-  "application/vnd.xfdl",
-  "application/vnd.yamaha.hv-dic",
-  "application/vnd.yamaha.hv-script",
-  "application/vnd.yamaha.hv-voice",
-  "application/vnd.yamaha.openscoreformat",
-  "application/vnd.yamaha.openscoreformat.osfpvg+xml",
-  "application/vnd.yamaha.smaf-audio",
-  "application/vnd.yamaha.smaf-phrase",
-  "application/vnd.yellowriver-custom-menu",
   "application/vnd.zul",
-  "application/vnd.zzazz.deck+xml",
-  "application/voicexml+xml",
   "application/widget",
-  "application/winhlp",
   "application/wsdl+xml",
-  "application/wspolicy+xml",
   "application/x-7z-compressed",
-  "application/x-abiword",
   "application/x-ace-compressed",
-  "application/x-authorware-bin",
-  "application/x-authorware-map",
-  "application/x-authorware-seg",
-  "application/x-bcpio",
   "application/x-bittorrent",
-  "application/x-blorb",
   "application/x-bzip",
   "application/x-bzip2",
-  "application/x-cbr",
-  "application/x-cdlink",
   "application/x-cfs-compressed",
-  "application/x-chat",
-  "application/x-chess-pgn",
   "application/x-chrome-extension",
   "application/x-cocoa",
   "application/x-conference",
-  "application/x-cpio",
-  "application/x-csh",
-  "application/x-dgc-compressed",
   "application/x-director",
-  "application/x-doom",
-  "application/x-dtbncx+xml",
-  "application/x-dtbook+xml",
-  "application/x-dtbresource+xml",
-  "application/x-dvi",
   "application/x-envoy",
   "application/x-eva",
-  "application/x-font-bdf",
-  "application/x-font-ghostscript",
-  "application/x-font-linux-psf",
   "font/opentype",
-  "application/x-font-pcf",
-  "application/x-font-snf",
-  "application/x-font-ttf",
-  "application/x-font-type1",
-  "application/x-freearc",
-  "application/x-futuresplash",
   "application/x-gca-compressed",
-  "application/x-glulx",
-  "application/x-gnumeric",
-  "application/x-gramps-xml",
   "application/x-gtar",
   "application/x-hdf",
   "application/x-httpd-php",
   "application/x-install-instructions",
-  "application/x-java-archive-diff",
-  "application/x-java-jnlp-file",
   "application/x-latex",
   "application/x-lua-bytecode",
   "application/x-lzh-compressed",
-  "application/x-makeself",
-  "application/x-mie",
-  "application/x-mobipocket-ebook",
   "application/x-ms-application",
   "application/x-ms-shortcut",
-  "application/x-ms-wmd",
-  "application/x-ms-wmz",
-  "application/x-ms-xbap",
-  "application/x-msaccess",
-  "application/x-msbinder",
-  "application/x-mscardfile",
-  "application/x-msclip",
-  "application/x-msmediaview",
-  "application/x-msmetafile",
-  "application/x-msmoney",
-  "application/x-mspublisher",
-  "application/x-msschedule",
-  "application/x-msterminal",
-  "application/x-mswrite",
-  "application/x-netcdf",
-  "application/x-ns-proxy-autoconfig",
-  "application/x-nzb",
   "application/x-perl",
   "application/x-pkcs12",
   "application/x-pkcs7-certificates",
   "application/x-pkcs7-certreqresp",
   "application/x-rar-compressed",
-  "application/x-redhat-package-manager",
-  "application/x-research-info-systems",
-  "application/x-sea",
   "application/x-sh",
-  "application/x-shar",
-  "application/x-shockwave-flash",
-  "application/x-silverlight-app",
   "application/x-sql",
-  "application/x-stuffit",
-  "application/x-stuffitx",
   "application/x-subrip",
-  "application/x-sv4cpio",
-  "application/x-sv4crc",
   "application/x-t3vm-image",
   "application/x-tads",
   "application/x-tar",
   "application/x-tcl",
   "application/x-tex",
-  "application/x-tex-tfm",
-  "application/x-texinfo",
-  "application/x-tgif",
-  "application/x-ustar",
-  "application/x-wais-source",
-  "application/x-web-app-manifest+json",
   "application/x-x509-ca-cert",
-  "application/x-xfig",
-  "application/x-xliff+xml",
-  "application/x-xpinstall",
-  "application/x-xz",
-  "application/x-zmachine",
-  "application/xaml+xml",
-  "application/xcap-diff+xml",
-  "application/xenc+xml",
   "application/xhtml+xml",
-  "application/xml-dtd",
   "application/xop+xml",
-  "application/xproc+xml",
   "application/xslt+xml",
-  "application/xspf+xml",
-  "application/xv+xml",
-  "application/yang",
-  "application/yin+xml",
   "application/zip",
   "audio/3gpp",
   "audio/adpcm",
@@ -624,17 +127,6 @@
   "audio/ogg",
   "audio/s3m",
   "audio/silk",
-  "audio/vnd.dece.audio",
-  "audio/vnd.digital-winds",
-  "audio/vnd.dra",
-  "audio/vnd.dts",
-  "audio/vnd.dts.hd",
-  "audio/vnd.lucent.voice",
-  "audio/vnd.ms-playready.media.pya",
-  "audio/vnd.nuera.ecelp4800",
-  "audio/vnd.nuera.ecelp7470",
-  "audio/vnd.nuera.ecelp9600",
-  "audio/vnd.rip",
   "audio/wave",
   "audio/webm",
   "audio/x-aac",
@@ -642,43 +134,12 @@
   "audio/x-caf",
   "audio/x-flac",
   "audio/x-matroska",
-  "audio/x-mpegurl",
-  "audio/x-ms-wax",
-  "audio/x-ms-wma",
-  "audio/x-pn-realaudio",
-  "audio/x-pn-realaudio-plugin",
   "audio/xm",
-  "chemical/x-cdx",
-  "chemical/x-cif",
-  "chemical/x-cmdf",
-  "chemical/x-cml",
-  "chemical/x-csml",
-  "chemical/x-xyz",
   "image/bmp",
   "image/cgm",
-  "image/g3fax",
-  "image/ief",
-  "image/ktx",
-  "image/prs.btif",
   "image/sgi",
   "image/svg+xml",
   "image/tiff",
-  "image/vnd.adobe.photoshop",
-  "image/vnd.dece.graphic",
-  "image/vnd.djvu",
-  "text/vnd.dvb.subtitle",
-  "image/vnd.dwg",
-  "image/vnd.dxf",
-  "image/vnd.fastbidsheet",
-  "image/vnd.fpx",
-  "image/vnd.fst",
-  "image/vnd.fujixerox.edmics-mmr",
-  "image/vnd.fujixerox.edmics-rlc",
-  "image/vnd.ms-modi",
-  "image/vnd.ms-photo",
-  "image/vnd.net-fpx",
-  "image/vnd.wap.wbmp",
-  "image/vnd.xiff",
   "image/webp",
   "image/x-3ds",
   "image/x-cmu-raster",
@@ -689,17 +150,9 @@
   "image/x-mrsid-image",
   "image/x-pcx",
   "image/x-pict",
-  "image/x-portable-anymap",
-  "image/x-portable-bitmap",
-  "image/x-portable-graymap",
-  "image/x-portable-pixmap",
   "image/x-rgb",
   "image/x-tga",
-  "image/x-xbitmap",
-  "image/x-xpixmap",
-  "image/x-xwindowdump",
   "message/rfc822",
-  "model/iges",
   "model/mesh",
   "model/vnd.collada+xml",
   "model/vnd.dwf",
@@ -707,10 +160,6 @@
   "model/vnd.gtw",
   "model/vnd.mts",
   "model/vnd.vtu",
-  "model/vrml",
-  "model/x3d+binary",
-  "model/x3d+vrml",
-  "model/x3d+xml",
   "text/cache-manifest",
   "text/calendar",
   "text/coffeescript",
@@ -722,7 +171,6 @@
   "text/less",
   "text/mathml",
   "text/n3",
-  "text/prs.lines.tag",
   "text/richtext",
   "text/sgml",
   "text/slim",
@@ -737,13 +185,6 @@
   "text/vnd.curl.mcurl",
   "text/vnd.curl.scurl",
   "text/vnd.fly",
-  "text/vnd.fmi.flexstor",
-  "text/vnd.graphviz",
-  "text/vnd.in3d.3dml",
-  "text/vnd.in3d.spot",
-  "text/vnd.sun.j2me.app-descriptor",
-  "text/vnd.wap.wml",
-  "text/vnd.wap.wmlscript",
   "text/vtt",
   "text/x-asm",
   "text/x-c",
@@ -760,9 +201,6 @@
   "text/x-sass",
   "text/x-scss",
   "text/x-setext",
-  "text/x-sfv",
-  "text/x-suse-ymp",
-  "text/x-uuencode",
   "text/x-vcalendar",
   "text/x-vcard",
   "text/yaml",
@@ -779,13 +217,6 @@
   "video/mpeg",
   "video/ogg",
   "video/quicktime",
-  "video/vnd.dece.hd",
-  "video/vnd.dece.mobile",
-  "video/vnd.dece.pd",
-  "video/vnd.dece.sd",
-  "video/vnd.dece.video",
-  "video/vnd.dvb.file",
-  "video/vnd.fvt",
   "video/vnd.mpegurl",
   "video/vnd.ms-playready.media.pyv",
   "video/vnd.uvvu.mp4",
diff --git a/app/sync/crypt.js b/app/sync/crypt.js
index c9a9bb7cd..8821afd16 100644
--- a/app/sync/crypt.js
+++ b/app/sync/crypt.js
@@ -208,12 +208,13 @@ export async function generateKeyPairJWK () {
   if (subtle) {
     // console.log('-- Using Native RSA Generation --');
 
-    const pair = await subtle.generateKey({
-      name: 'RSA-OAEP',
-      publicExponent: new Uint8Array([1, 0, 1]),
-      modulusLength: 2048,
-      hash: 'SHA-256'
-    },
+    const pair = await subtle.generateKey(
+      {
+        name: 'RSA-OAEP',
+        publicExponent: new Uint8Array([1, 0, 1]),
+        modulusLength: 2048,
+        hash: 'SHA-256'
+      },
       true,
       ['encrypt', 'decrypt']
     );
@@ -313,7 +314,7 @@ async function _pbkdf2Passphrase (passphrase, salt) {
       'raw',
       Buffer.from(passphrase, 'utf8'),
       {name: 'PBKDF2'},
-      true,
+      false,
       ['deriveBits']
     );
 
diff --git a/app/ui/components/codemirror/code-editor.js b/app/ui/components/codemirror/code-editor.js
index 6cdea5beb..6263a4f75 100644
--- a/app/ui/components/codemirror/code-editor.js
+++ b/app/ui/components/codemirror/code-editor.js
@@ -69,7 +69,6 @@ class CodeEditor extends PureComponent {
 
   shouldComponentUpdate (nextProps) {
     // Update if any properties changed, except value. We ignore value.
-
     for (const key of Object.keys(nextProps)) {
       if (key === 'defaultValue') {
         continue;
diff --git a/app/ui/components/codemirror/extensions/environments-autocomplete.js b/app/ui/components/codemirror/extensions/environments-autocomplete.js
index f2eef87ae..0d25104c4 100644
--- a/app/ui/components/codemirror/extensions/environments-autocomplete.js
+++ b/app/ui/components/codemirror/extensions/environments-autocomplete.js
@@ -7,6 +7,7 @@ const AFTER_TAG_MATCH = /{%\s*[\w.\][]*$/;
 const COMPLETE_AFTER_VARIABLE_NAME = /[\w.\][]+/;
 const COMPLETE_AFTER_CURLIES = /[^{]*\{[{%]\s*/;
 const COMPLETION_CLOSE_KEYS = /[}|]/;
+const ESCAPE_FORE_REGEX_MATCH = /[-[\]/{}()*+?.\\^$|]/g;
 const MAX_HINT_LOOK_BACK = 100;
 const HINT_DELAY_MILLIS = 100;
 const TYPE_VARIABLE = 'variable';
@@ -120,7 +121,9 @@ CodeMirror.defineOption('environmentAutocomplete', null, (cm, options) => {
     }
 
     // In a timeout so it gives the editor chance to update first
-    setTimeout(() => completeIfInVariableName(cm), HINT_DELAY_MILLIS);
+    setTimeout(() => {
+      completeIfInVariableName(cm);
+    }, HINT_DELAY_MILLIS);
   });
 
   // Add hot key triggers
@@ -252,22 +255,20 @@ function matchStrings (listOfThings, segment, type, limit = -1) {
     .map(t => typeof t === 'string' ? {name: t, value: ''} : t) // Convert to obj
     .filter(t => t.name.toLowerCase().includes(segment.toLowerCase())) // Filter
     .slice(0, limit >= 0 ? limit : listOfThings.length) // Cap it
-    .map(({name, value}) => {
-      return {
-        // Custom Insomnia keys
-        type,
-        segment,
-        comment: value,
-        displayValue: value ? JSON.stringify(value) : '',
-        score: name.length, // In case we want to sort by this
+    .map(({name, value}) => ({
+      // Custom Insomnia keys
+      type,
+      segment,
+      comment: value,
+      displayValue: value ? JSON.stringify(value) : '',
+      score: name.length, // In case we want to sort by this
 
-        // CodeMirror
-        text: name,
-        displayText: name,
-        render: renderHintMatch,
-        hint: replaceHintMatch
-      };
-    });
+      // CodeMirror
+      text: name,
+      displayText: name,
+      render: renderHintMatch,
+      hint: replaceHintMatch
+    }));
 }
 
 /**
@@ -279,7 +280,7 @@ function matchStrings (listOfThings, segment, type, limit = -1) {
  * @returns string
  */
 function replaceWithSurround (text, find, prefix, suffix) {
-  const escapedString = find.replace(/[-[\]/{}()*+?.\\^$|]/g, '\\$&');
+  const escapedString = find.replace(ESCAPE_FORE_REGEX_MATCH, '\\$&');
   const re = new RegExp(escapedString, 'gi');
   return text.replace(re, matched => prefix + matched + suffix);
 }
diff --git a/app/ui/components/editors/body/body-editor.js b/app/ui/components/editors/body/body-editor.js
index 78d834953..7a24103ab 100644
--- a/app/ui/components/editors/body/body-editor.js
+++ b/app/ui/components/editors/body/body-editor.js
@@ -82,7 +82,7 @@ class BodyEditor extends PureComponent {
       const contentType = getContentTypeFromHeaders(request.headers) || mimeType;
       return (
         <RawEditor
-          key={`${request._id}::${contentType}`}
+          key={request._id}
           fontSize={fontSize}
           keyMap={keyMap}
           lineWrapping={lineWrapping}
diff --git a/app/ui/components/modals/settings-modal.js b/app/ui/components/modals/settings-modal.js
index 30c939ffa..37083e171 100644
--- a/app/ui/components/modals/settings-modal.js
+++ b/app/ui/components/modals/settings-modal.js
@@ -92,7 +92,7 @@ class SettingsModal extends PureComponent {
     const email = session.isLoggedIn() ? session.getEmail() : null;
 
     return (
-      <Modal ref={this._setModalRef} tall {...this.props}>
+      <Modal ref={this._setModalRef} tall freshState {...this.props}>
         <ModalHeader>
           {getAppName()} Preferences
           <span className="faint txt-sm">
diff --git a/app/ui/components/modals/setup-sync-modal.js b/app/ui/components/modals/setup-sync-modal.js
index b9f55df7f..8dc69fb8d 100644
--- a/app/ui/components/modals/setup-sync-modal.js
+++ b/app/ui/components/modals/setup-sync-modal.js
@@ -12,7 +12,8 @@ class SetupSyncModal extends PureComponent {
   constructor (props) {
     super(props);
     this.state = {
-      syncMode: SYNC_MODE_ON
+      syncMode: SYNC_MODE_UNSET,
+      selectedSyncMode: SYNC_MODE_ON
     };
   }
 
@@ -22,18 +23,18 @@ class SetupSyncModal extends PureComponent {
 
   async _handleDone () {
     const {workspace} = this.props;
-    const {syncMode} = this.state;
+    const {selectedSyncMode} = this.state;
 
     const resource = await sync.getOrCreateResourceForDoc(workspace);
-    await sync.createOrUpdateConfig(resource.resourceGroupId, syncMode);
+    await sync.createOrUpdateConfig(resource.resourceGroupId, selectedSyncMode);
 
     this.hide();
 
-    this._resolvePromise && this._resolvePromise(syncMode);
+    this._resolvePromise && this._resolvePromise(selectedSyncMode);
   }
 
   _handleSyncModeChange (e) {
-    this.setState({syncMode: e.target.value});
+    this.setState({selectedSyncMode: e.target.value});
   }
 
   show () {
@@ -42,9 +43,15 @@ class SetupSyncModal extends PureComponent {
 
       const resource = await sync.getOrCreateResourceForDoc(workspace);
       const config = await sync.getOrCreateConfig(resource.resourceGroupId);
+      const {syncMode} = config;
 
-      console.log('CONFIG', config);
-      this.setState({syncMode: config.syncMode});
+      // Set selected sync mode. If it's unset, default it to ON
+      const selectedSyncMode = syncMode !== SYNC_MODE_UNSET ? syncMode : SYNC_MODE_ON;
+
+      this.setState({
+        syncMode,
+        selectedSyncMode
+      });
     })();
 
     this.modal.show();
@@ -52,6 +59,7 @@ class SetupSyncModal extends PureComponent {
     this._promise = new Promise(resolve => {
       this._resolvePromise = resolve;
     });
+
     return this._promise;
   }
 
@@ -61,23 +69,21 @@ class SetupSyncModal extends PureComponent {
 
   render () {
     const {workspace} = this.props;
-    const {syncMode} = this.state;
+    const {syncMode, selectedSyncMode} = this.state;
 
     return (
       <Modal ref={this._setModalRef} noEscape>
         <ModalHeader>Workspace Sync Setup</ModalHeader>
         <ModalBody className="wide pad">
-
           {syncMode === SYNC_MODE_UNSET
             ? <p className="notice info">
               You have not yet configured sync for your <strong>{workspace.name}</strong> workspace.
             </p> : null
           }
-
           <br/>
           <div className="form-control form-control--outlined">
             <label>Choose sync mode
-              <select onChange={this._handleSyncModeChange} value={syncMode}>
+              <select onChange={this._handleSyncModeChange} value={selectedSyncMode}>
                 <option value={SYNC_MODE_ON}>
                   Automatically sync changes
                 </option>
diff --git a/app/ui/components/wrapper.js b/app/ui/components/wrapper.js
index b4b8b339a..fb03efd04 100644
--- a/app/ui/components/wrapper.js
+++ b/app/ui/components/wrapper.js
@@ -75,8 +75,12 @@ class Wrapper extends PureComponent {
   }
 
   // Special request updaters
-  _handleUpdateRequestMimeType (mimeType) {
-    updateMimeType(this.props.activeRequest, mimeType);
+  async _handleUpdateRequestMimeType (mimeType) {
+    await updateMimeType(this.props.activeRequest, mimeType);
+
+    // Force it to update, because other editor components (header editor)
+    // needs to change
+    this._forceRequestPaneRefresh();
   }
 
   _handleStartDragSidebar (e) {
diff --git a/app/ui/containers/app.js b/app/ui/containers/app.js
index 78b1da48c..2d7877ae7 100644
--- a/app/ui/containers/app.js
+++ b/app/ui/containers/app.js
@@ -466,15 +466,46 @@ class App extends PureComponent {
     this._wrapper = n;
   }
 
+  /**
+   * Update document.title to be "Workspace (Environment) – Request"
+   * @private
+   */
+  _updateDocumentTitle () {
+    const {
+      activeWorkspace,
+      activeEnvironment,
+      activeRequest
+    } = this.props;
+
+    let title = activeWorkspace.name;
+
+    if (activeEnvironment) {
+      title += ` (${activeEnvironment.name})`;
+    }
+
+    if (activeRequest) {
+      title += ` – ${activeRequest.name}`;
+    }
+
+    document.title = title;
+  }
+
+  componentDidUpdate () {
+    this._updateDocumentTitle();
+  }
+
   async componentDidMount () {
+    // Do The Analytics
+    trackLegacyEvent('App Launched');
+
     // Bind mouse and key handlers
     document.addEventListener('mouseup', this._handleMouseUp);
     document.addEventListener('mousemove', this._handleMouseMove);
     document.addEventListener('keydown', this._handleKeyDown);
     this._setGlobalKeyMap();
 
-    // Do The Analytics
-    trackLegacyEvent('App Launched');
+    // Update title
+    this._updateDocumentTitle();
 
     // Update Stats Object
     const {lastVersion, launches} = await models.stats.get();
@@ -497,6 +528,7 @@ class App extends PureComponent {
           doc,
           fromSync
         ] = change;
+
         const {activeRequest} = this.props;
 
         // No active request, so we don't need to force refresh anything
diff --git a/app/ui/css/components/key-value-editor.less b/app/ui/css/components/key-value-editor.less
index 52b89cdc2..f979de97a 100644
--- a/app/ui/css/components/key-value-editor.less
+++ b/app/ui/css/components/key-value-editor.less
@@ -16,10 +16,9 @@
     padding-bottom: @padding-xs;
     box-sizing: border-box;
 
-    &.key-value-editor__row-wrapper--disabled .input,
-    &.key-value-editor__row-wrapper--disabled button {
-      text-decoration: line-through;
-      opacity: 0.4;
+    &.key-value-editor__row-wrapper--disabled > * {
+      opacity: @opacity-subtle;
+      color: var(--hl) !important;
     }
 
     &.key-value-editor__row-wrapper--dragging {
@@ -61,10 +60,10 @@
     padding-right: @padding-md;
     box-sizing: border-box;
     overflow: hidden;
-    color: var(--hl-lg) !important;
+    color: var(--hl);
 
     &:hover {
-      color: var(--hl-lg) !important;
+      color: var(--hl);
     }
   }
 
@@ -100,7 +99,7 @@
     }
 
     & > * {
-      padding: 0 @padding-sm;
+      padding: 0 @padding-xs;
     }
 
     & > button,
diff --git a/app/ui/css/constants/colors.less b/app/ui/css/constants/colors.less
index d0f3a42fb..914d28e90 100644
--- a/app/ui/css/constants/colors.less
+++ b/app/ui/css/constants/colors.less
@@ -327,10 +327,6 @@ body {
   --hl-xl: rgba(114, 145, 143, 0.8);
   --hl: rgb(114, 145, 143);
 
-  .overlay {
-    --color-bg: rgba(29, 39, 44, 0.8);
-  }
-
   .tag {
     --color-success: #68a9a2;
     --color-notice: #e6b564;
@@ -398,6 +394,10 @@ body {
     --hl-lg: rgba(114, 145, 143, 0.2);
     --hl-xl: rgba(114, 145, 143, 0.2);
   }
+
+  .overlay {
+    --color-bg: rgba(29, 39, 44, 0.8);
+  }
 }
 
 *[theme="solarized"] {
@@ -482,6 +482,7 @@ body {
 }
 
 @opacity-subtle: 0.7;
+@opacity-super-subtle: 0.5;
 
 @hl-xxs: var(--hl-xxs);
 @hl-xs: var(--hl-xs);
diff --git a/app/ui/css/editor/one-line-editor.less b/app/ui/css/editor/one-line-editor.less
index 0fffa9329..5dd239d81 100644
--- a/app/ui/css/editor/one-line-editor.less
+++ b/app/ui/css/editor/one-line-editor.less
@@ -25,6 +25,7 @@
      * for now since we can only have one line here
     */
     padding: inherit !important;
+    color: inherit !important;
     margin: 0 0 0 -4px; // to undo CodeMirror's .CodeMirror-line offset
   }