Update:
Butrint
Megalithic Temples of Malta
City of Valletta
Hal Saflieni Hypogeum
Woudagemaal
City of Luxembourg (c) data.public.lu (really pleased with this one, as I suspected that like NL and BEL, Lux would provide geodata for free as a public service; and indeed, Googling "Luxembourg patrimoine geojson" led me straight to a downloadable file)

Update:
Mons Klint (I could not get the western side fully correct as it is very craggy without following landmarks in the landscape, but overall I believe it is functionally OK)
Stevns Klint (c) Protected Planet
Ilulissat Icefjord
Kuk Early Agricultural Site (just a funny rectangular field!)
Tubbataha Reefs Natural Park (c) Protected Planet
Puerto-Princesa Subterranean River National Park (c) Protected Planet (it does not have an official map but there is one in the nom dossier)
Mount Hamiguitan Range Wildlife Sanctuary (c) Protected Planet

Vietnamese maps are not easy to navigate, but I added:
Citadel of the Ho Dynasty
Hoi An
Trang An
Thang Long

Loads more yesterday:

By Jakob F:
Potsdam (poor official map, additional sources used https://gdi.berlin.de/viewer for the Berlin part, and a map on https://www.potsdam.de/ for the Parts in Potsdam)
Krzemionki prehistoric flint mines
Malbork Castle
Zamosc
Warsaw
Torun

Gathered by meltwaterfalls from public sources:
Henderson Island
Gough and Inaccessible Islands (c) Protected Planet
Edinburgh (c) Historic Environment Scotland
Forth Bridge (c) Historic Environment Scotland
St Kilda (c) Historic Environment Scotland

By me:
Te Wahipounamu – South West New Zealand (the Protected Planet file was too huge and showed enclaves and other features that I could not see on the official map; so I redrew it myself, not 100% perfect but I think it is sufficient)
Viking-Age Ring Fortresses
Jelling Mounds, Runic Stones and Church
Kronborg Castle
Roskilde Cathedral

We're now at 363 WHS covered. Well done!

We do have more already (especially all UK ones), but the files are too large to upload at the moment, we need to find a solution for that.
I also have a couple of others from the past days that need some rework.

I will also do a quick survey about which countries aren't covered yet, so those who want to go on or start mapping can choose from those.

Some mid-size countries that are still mostly uncovered (they may have 1 or 2 done):
Armenia (2 Done, Haghpat/Sanahin missing due to poor map but zones small)
Azerbaijan
Cyprus
Georgia
Lao People's Democratic Republic
Libya
Malaysia (DONE except for Lenggong which has a difficult map)
Mali (DONE except for the 2 that don't have official maps)
Oman
Senegal
United Republic of Tanzania (DONE except for Kilwa which has no map and Kilimanjaro which core zone is disputed and unclear 1 or 2 locs)
Uruguay (DONE)
Mongolia
Serbia (Partly DONE, Gamzigrad (poor map) and Stecci remain)
Yemen
Bolivia (had a look but all maps very poor)
Saudi Arabia
Slovakia (partly DONE)
State of Palestine (some DONE)
Algeria
Bulgaria (DONE except Rila and Nessebar which have poor maps)
Chile
Croatia (DONE except for Venetian Defence Works and Stari Grad Plain)
Hungary
Norway (DONE except Rjukan)
South Africa (claimed by Els)
Sri Lanka (DONE for what is doable)
Switzerland (partly DONE, some tricky ones remain)
Austria (partly DONE, some tricky ones remain)
Peru (cultural sites) (claimed by Frédéric)
Israel
Romania (partly DONE, other maps unclear)
Brazil (cultural sites)
Sweden (some done, other maps unclear)
Portugal (mostly DONE)
Republic of Korea (hopeless)

And some big ones:
Russian Federation (mostly DONE)
India (mostly DONE)
Iran
China
Spain (partly DONE, Catoplayer is making his way)
France (mostly DONE)
Italy (mostly DONE)

Newly done:
Carlsbad Caverns
Olympic NP (c) NPS
Yosemite National Park (c) NPS
Mammoth Cave NP (c) NPS
Yellowstone NP (c) NPS
Wadden Sea (c) Protected Planet resized
Greater Blue Mountains (c) Protected Planet resized
Vatnajökull (c) Protected Planet resized
Discovered a new tool yesterday that does resizing very well, so I could convert and upload some older ones I already had but were too large.

By Jakob:
Castles of Augustusburg and Falkenlust at Brühl (with funny enclave)
Caves and Ice Age Art in the Swabian Jura (we had 6 locations here (6 caves), but there are 2 areas; have converted the 6 caves into 6 POIs)
Wartburg Castle
Wieliczka and Bochnia Royal Salt Mines (partly underground, we will make a change to show this more clearly when Nan is back)
Muskauer Park / Park Muzakowski

Some ones that remained from meltwaterfalls:
The English Lake District (c) Historic England
Gwynedd Castles (c) cadw
Neolithic Orkney (c) Historic Environment Scotland

Jakob did:
Mantua and Sabbioneta
Val d'Orcia
Historic Centre of the City of Pienza

I made or collected:
Great Smoky Mountains (c) NPS adjusted (this is a funny core zone: with a bit of trickery, I have made it like the official map, but the real park boundaries as found on the np website have multiple enclaves to the north - this to avoid a city like Gatlinburg, etc)
L'Anse aux Meadows National Historic Site
Grand Canyon (c) Protected Planet resized
Canadian Rocky Mountain Parks (c) Protected Planet
Nahanni National Park (c) Protected Planet
Cornwall and West Devon Mining Landscape (c) Historic England
Dorset and East Devon Coast (c) Historic England
Blaenavon Industrial Landscape (c) Cadw
Pontcysyllte Aquaduct (c) cadw

I will be focusing on Norway today...

Val d'Orcia is a really usefull one to have! But I think Pienza should be an exclave. Now I appears doubly inscribed, which I don't think it is.

It's not an exclave anymore since this year, there has been an updated map

The waddensea corezone is missing a bunch of enclaves on different islands.
Is the Protect Planet map missing them as well?

I think you're right for the most western German part. Will try to fix those.
Did you see those in NL or Denmark or N Germany as well?

According to https://whc.unesco.org/en/list/1314/maps/ there should be also enclaves in Nordfriesland e.g. Amrum, and 3 in Denmark, and only one interesting round enclave (Zuidwal Vulkan?) in the Netherlands

Yesterday's batch:
Volcanoes and Forests of Mount Pelée (c) Protected Planet resized
Rock Art of Alta
The Vega Archipelago
Urnes Stave Church
Bryggen
West Norwegian Fjords (c) Protected Planet
The Flow Country (c) Historic Environment Scotland

I tried to cover all Norwegian WHS, but had to leave 2: Roros and Rjukan/Notodden. Both have fairly good maps, but shapes that are difficult to draw. Maybe someone else can have a go. I also looked for publicly available geodata for those at websites of the Norwegian government, but although they do have open data projects I could not find these two (or other WHS).