diff --git a/build/data/mediatypes.py b/build/data/mediatypes.py
index f0b6821d..2dc77f24 100644
--- a/build/data/mediatypes.py
+++ b/build/data/mediatypes.py
@@ -69,7 +69,7 @@
     {"name": "eat+cwt", "code": "application/eat+cwt"},
     {"name": "eat-bun+cbor", "code": "application/eat-bun+cbor"},
     {"name": "eat-ucs+cbor", "code": "application/eat-ucs+cbor"},
-    {"name": "ecmascript (OBSOLETED in favor of text/javascript)", "code": "application/ecmascript"},
+    {"name": "ecmascript", "code": "application/ecmascript"},
     {"name": "EDI-consent", "code": "application/EDI-consent"},
     {"name": "EDI-X12", "code": "application/EDI-X12"},
     {"name": "elm+json", "code": "application/elm+json"},
@@ -220,7 +220,8 @@
     {"name": "sieve", "code": "application/sieve"},
     {"name": "simple-message-summary", "code": "application/simple-message-summary"},
     {"name": "sipc", "code": "application/sipc"},
-    {"name": "smil (OBSOLETED in favor of application/smil+xml)", "code": "application/smil"},
+    {"name": "smil", "code": "application/smil"},
+    {"name": "smil+xml)", "code": "application/smil+xml"},
     {"name": "smpte336m", "code": "application/smpte336m"},
     {"name": "soap+xml", "code": "application/soap+xml"},
     {"name": "spdx+json", "code": "application/spdx+json"},
@@ -447,7 +448,8 @@
     {"name": "vnd.gentoo.ebuild", "code": "application/vnd.gentoo.ebuild"},
     {"name": "vnd.gentoo.gpkg", "code": "application/vnd.gentoo.gpkg"},
     {"name": "vnd.gentoo.xpak", "code": "application/vnd.gentoo.xpak"},
-    {"name": "vnd.geo+json (OBSOLETED by [RFC7946] in favor of application/geo+json)", "code": "application/vnd.geo+json"},
+    {"name": "vnd.geo+json", "code": "application/vnd.geo+json"},
+    {"name": "geo+json", "code": "application/geo+json"},
     {"name": "vnd.geogebra.file", "code": "application/vnd.geogebra.file"},
     {"name": "vnd.geogebra.slides", "code": "application/vnd.geogebra.slides"},
     {"name": "vnd.geometry-explorer", "code": "application/vnd.geometry-explorer"},
@@ -456,7 +458,7 @@
     {"name": "vnd.globalplatform.card-content-mgt-response", "code": "application/vnd.globalplatform.card-content-mgt-response"},
     {"name": "vnd.gnu.taler.exchange+json", "code": "application/vnd.gnu.taler.exchange+json"},
     {"name": "vnd.google-earth.kml+xml", "code": "application/vnd.google-earth.kml+xml"},
-    {"name": "vnd.gov.sk.e-form+xml (OBSOLETED by request)", "code": "application/vnd.gov.sk.e-form+xml"},
+    {"name": "vnd.gov.sk.e-form+xml", "code": "application/vnd.gov.sk.e-form+xml"},
     {"name": "vnd.gov.sk.xmldatacontainer+xml", "code": "application/vnd.gov.sk.xmldatacontainer+xml"},
     {"name": "vnd.grafeq", "code": "application/vnd.grafeq"},
     {"name": "vnd.groove-account", "code": "application/vnd.groove-account"},
@@ -475,7 +477,8 @@
     {"name": "vnd.hyper+json", "code": "application/vnd.hyper+json"},
     {"name": "vnd.hzn-3d-crossword", "code": "application/vnd.hzn-3d-crossword"},
     {"name": "vnd.ibm.electronic-media", "code": "application/vnd.ibm.electronic-media"},
-    {"name": "vnd.ibm.modcap (OBSOLETED in favor of application/vnd.afpc.modca)", "code": "application/vnd.ibm.modcap"},
+    {"name": "vnd.ibm.modcap", "code": "application/vnd.ibm.modcap"},
+    {"name": "vnd.afpc.modca", "code": "application/vnd.afpc.modca"},
     {"name": "vnd.ibm.secure-container", "code": "application/vnd.ibm.secure-container"},
     {"name": "vnd.ieee.1905", "code": "application/vnd.ieee.1905"},
     {"name": "vnd.imagemeter.folder+zip", "code": "application/vnd.imagemeter.folder+zip"},
@@ -486,7 +489,8 @@
     {"name": "vnd.ims.lti.v2.toolproxy+json", "code": "application/vnd.ims.lti.v2.toolproxy+json"},
     {"name": "vnd.ims.lti.v2.toolsettings.simple+json", "code": "application/vnd.ims.lti.v2.toolsettings.simple+json"},
     {"name": "vnd.infotech.project", "code": "application/vnd.infotech.project"},
-    {"name": "vnd.informix-visionary (OBSOLETED in favor of application/vnd.visionary)", "code": "application/vnd.informix-visionary"},
+    {"name": "vnd.informix-visionary", "code": "application/vnd.informix-visionary"},
+    {"name": "vnd.visionary", "code": "application/vnd.visionary"},
     {"name": "vnd.insors.igm", "code": "application/vnd.insors.igm"},
     {"name": "vnd.intergeo", "code": "application/vnd.intergeo"},
     {"name": "vnd.intertrust.nncp", "code": "application/vnd.intertrust.nncp"},
@@ -795,7 +799,8 @@
     {"name": "vnd.yamaha.smaf-audio", "code": "application/vnd.yamaha.smaf-audio"},
     {"name": "vnd.yamaha.through-ngn", "code": "application/vnd.yamaha.through-ngn"},
     {"name": "vnd.yaoweme", "code": "application/vnd.yaoweme"},
-    {"name": "vnd.youtube.yt (OBSOLETED in favor of video/vnd.youtube.yt)", "code": "application/vnd.youtube.yt"},
+    {"name": "vnd.youtube.yt", "code": "video/vnd.youtube.yt"},
+    {"name": "vnd.youtube.yt", "code": "application/vnd.youtube.yt"},
     {"name": "vnd.zzazz.deck+xml", "code": "application/vnd.zzazz.deck+xml"},
     {"name": "voucher-cms+json", "code": "application/voucher-cms+json"},
     {"name": "vp+cose", "code": "application/vp+cose"},
@@ -950,7 +955,8 @@
     {"name": "vnd.valve.source.texture", "code": "image/vnd.valve.source.texture"},
     {"name": "vnd.xiff", "code": "image/vnd.xiff"},
     {"name": "webp", "code": "image/webp"},
-    {"name": "x-emf - DEPRECATED in favor of image/emf", "code": "image/x-emf"},
+    {"name": "x-emf", "code": "image/x-emf"},
+    {"name": "emf", "code": "image/emf"},
     {"name": "CPIM", "code": "message/CPIM"},
     {"name": "disposition-notification", "code": "message/disposition-notification"},
     {"name": "external-body", "code": "message/external-body"},
@@ -962,7 +968,7 @@
     {"name": "partial", "code": "message/partial"},
     {"name": "s-http (OBSOLETE)", "code": "message/s-http"},
     {"name": "sipfrag", "code": "message/sipfrag"},
-    {"name": "vnd.si.simp (OBSOLETED by request)", "code": "message/vnd.si.simp"},
+    {"name": "vnd.si.simp", "code": "message/vnd.si.simp"},
     {"name": "e57", "code": "model/e57"},
     {"name": "gltf-binary", "code": "model/gltf-binary"},
     {"name": "JT", "code": "model/JT"},
@@ -995,8 +1001,10 @@
     {"name": "cql", "code": "text/cql"},
     {"name": "cql-identifier", "code": "text/cql-identifier"},
     {"name": "csv", "code": "text/csv"},
-    {"name": "directory - DEPRECATED by RFC6350", "code": "text/directory"},
-    {"name": "ecmascript (OBSOLETED in favor of text/javascript)", "code": "text/ecmascript"},
+    {"name": "directory", "code": "text/directory"},
+    {"name": "ecmascript", "code": "text/ecmascript"},
+    {"name": "javascript", "code": "text/javascript"},
+    {"name": "css", "code": "text/css"},
     {"name": "enriched", "code": "text/enriched"},
     {"name": "fhirpath", "code": "text/fhirpath"},
     {"name": "fwdred", "code": "text/fwdred"},