Just for a start here are some version numbers and dates. It is from my own collection.
- [number].exe is only the client.exe that I have saved.
- A full line is a full client saved.
Ultima.Online.Classic
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Ultima.Online.Classic.[2017-08-16][Publish.98][7.0.59.5]-Grimoric.zip
Ultima.Online.Classic.[2017-10-17][Publish.98.2][7.0.60.47]-Grimoric.zip
Ultima.Online.Classic.[2018-02-28][Publish.99][7.0.61.1]-Grimoric.zip
7.0.61.13.exe
7.0.62.2.exe
Ultima.Online.Classic.[2018-04-08][Publish.99][7.0.63.2]-Grimoric.zip
7.0.64.1.exe
7.0.64.3.exe
7.0.65.4.exe
7.0.66.0.exe
Ultima.Online.Classic.[2018-08-09][Publish.100][7.0.67.20]-Grimoric.zip
Ultima.Online.Classic.[2018-09-10][Publish.101][7.0.68.1]-Grimoric.zip
7.0.69.8.exe
7.0.70.10.exe
Ultima.Online.Classic.[2018-10-12][Publish.102][7.0.71.27]-Grimoric.zip
Ultima.Online.Classic.[2018-10-17][Publish.102][7.0.72.0]-Grimoric.zip
7.0.73.12.exe
Ultima.Online.Classic.[2018-10-30][Publish.103][7.0.73.13]-Grimoric.zip
Ultima.Online.Classic.[2018-11-14][Publish.103][7.0.73.23]-Grimoric.zip
Ultima.Online.Classic.[2018-12-06][Publish.103][7.0.74.28]-Grimoric.zip
Ultima.Online.Classic.[2019-02-06][Publish.104][7.0.74.74]-Grimoric.zip
Ultima.Online.Classic.[2019-02-16][Publish.104][7.0.74.78]-Grimoric.zip
Ultima.Online.Classic.[2019-02-16][Publish.104][7.0.75.6]-Grimoric.zip
Ultima.Online.Classic.[2019-04-18][Publish.105][7.0.75.35]-Grimoric.zip
Ultima.Online.Classic.[2019-05-14][Publish.105][7.0.75.54]-Grimoric.zip
Ultima.Online.Classic.[2019-06-05][Publish.105][7.0.75.66]-Grimoric.zip
Ultima.Online.Classic.[2019-06-12][Publish.105][7.0.76.0]-Grimoric.zip
Ultima.Online.Classic.[2019-06-22][Publish.105][7.0.76.4]-Grimoric.zip
Ultima.Online.Classic.[2019-08-14][Publish.106][7.0.76.46]-Grimoric.zip
Ultima.Online.Classic.[2019-08-29][Publish.106][7.0.77.4]-Grimoric.zip
Ultima.Online.Classic.[2019-09-09][Publish.106][7.0.78.4]-Grimoric.zip
Ultima.Online.Classic.[2019-09-15][Publish.106][7.0.79.6]-Grimoric.zip
Ultima.Online.Classic.[2019-10-22][Publish.107][7.0.79.31]-Grimoric.zip
Ultima.Online.Classic.[2019-10-29][Publish.107][7.0.80.0]-Grimoric.zip
7.0.81.11.exe
Ultima.Online.Classic.[2019-11-19][Publish.107][7.0.82.17]-Grimoric.zip
Ultima.Online.Classic.[2019-12-02][Publish.107][7.0.83.27]-Grimoric.zip
Ultima.Online.Enhanced
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Ultima.Online.Enhanced.[2017-08-16][Publish.98][4.0.59.5]-Grimoric.zip
Ultima.Online.Enhanced.[2017-10-17][Publish.98.2][4.0.60.46]-Grimoric.zip
Ultima.Online.Enhanced.[2018-02-28][Publish.99][4.0.61.1]-Grimoric.zip
4.0.61.13.exe
4.0.62.2.exe
Ultima.Online.Enhanced.[2018-04-08][Publish.99][4.0.63.2]-Grimoric.zip
4.0.64.1.exe
4.0.64.3.exe
4.0.65.4.exe
4.0.66.0.exe
Ultima.Online.Enhanced.[2018-08-09][Publish.100][4.0.67.20]-Grimoric.zip
Ultima.Online.Enhanced.[2018-09-10][Publish.101][4.0.68.1]-Grimoric.zip
4.0.69.8.exe
4.0.70.10.exe
Ultima.Online.Enhanced.[2018-10-12][Publish.102][4.0.71.27]-Grimoric.zip
Ultima.Online.Enhanced.[2018-10-16][Publish.102][4.0.72.0]-Grimoric.zip
4.0.73.12.exe
Ultima.Online.Enhanced.[2018-10-30][Publish.103][4.0.73.13]-Grimoric.zip
Ultima.Online.Enhanced.[2018-11-14][Publish.103][4.0.73.23]-Grimoric.zip
Ultima.Online.Enhanced.[2018-12-06][Publish.103][4.0.74.28]-Grimoric.zip
Ultima.Online.Enhanced.[2019-02-06][Publish.104][4.0.74.72]-Grimoric.zip
Ultima.Online.Enhanced.[2019-02-16][Publish.104][4.0.74.78]-Grimoric.zip
Ultima.Online.Enhanced.[2019-02-16][Publish.104][4.0.75.6]-Grimoric.zip
Ultima.Online.Enhanced.[2019-04-18][Publish.105][4.0.75.35]-Grimoric.zip
Ultima.Online.Enhanced.[2019-05-14][Publish.105][4.0.75.54]-Grimoric.zip
Ultima.Online.Enhanced.[2019-06-05][Publish.105][4.0.75.66]-Grimoric.zip
Ultima.Online.Enhanced.[2019-06-12][Publish.105][4.0.76.0]-Grimoric.zip
Ultima.Online.Enhanced.[2019-06-22][Publish.105][4.0.76.4]-Grimoric.zip
Ultima.Online.Enhanced.[2019-08-14][Publish.106][4.0.76.47]-Grimoric.zip
Ultima.Online.Enhanced.[2019-08-29][Publish.106][4.0.77.3]-Grimoric.zip
Ultima.Online.Enhanced.[2019-09-09][Publish.106][4.0.78.4]-Grimoric.zip
Ultima.Online.Enhanced.[2019-09-15][Publish.106][4.0.79.6]-Grimoric.zip
Ultima.Online.Enhanced.[2019-10-22][Publish.107][4.0.79.31]-Grimoric.zip
Ultima.Online.Enhanced.[2019-10-29][Publish.107][4.0.80.0]-Grimoric.zip
4.0.81.11.exe
Ultima.Online.Enhanced.[2019-11-19][Publish.107][4.0.82.17]-Grimoric.zip
Ultima.Online.Enhanced.[2019-12-03][Publish.107][4.0.83.28]-Grimoric.zip
-Grim