Gibberish messages in Nebula 128.0.1esr (64-bit)

[LDRabbit]

Thunderbird updated itself to Nebula 128.1esr, and immediately most of my messages are arriving in gibberish, for example,

e type=3D"text/css">.css-yf3a57:hover{-webkit-text-decoration:none!importan=
t;text-decoration:none!important}@media (max-width:480px){.css-1q8m9fe{widt=
h:100%!important}}@media (max-width:600px){.css-w9msz2{width:inherit!import=
ant}}@media (max-width:480px){.css-1oqy46o{width:120px!important}}.css-1jop=
67a:hover{-webkit-text-decoration:none!important;text-decoration:none!impor=
tant}.css-gfwvt6:hover{-webkit-text-decoration:none!important;text-decorati=
on:none!important}@media (max-wi  

 I've been using Thunderbird for nearly a year without problems. Can anyone suggest solutions???

[Nebulaisbuggy]

A lot of my messages look like this:

[Event "GER-ch 80th"]
[Site "Saarbruecken"]
[Date "2009.02.07"]
[Round "2"]
[White "Braun, Arik"]
[Black "Zude, Erik"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2558"]
[BlackElo "2397"]
[PlyCount "77"]
[EventDate "2009.02.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]

1. Nf3 d5 2. c4 dxc4 3. Qa4+ Nd7 4. Qxc4 Ngf6 5. g3 e6 6. Bg2 a6 7. Qc2 =
c5 8.
O-O Ra7 9. d4 b6 10. Nc3 Bb7 11. e4 cxd4 12. Nxd4 Bc5 13. Rd1 Qa8 14. =
Nb3 Bb4
15. a3 Be7 16. Be3 O-O 17. f3 Rc8 18. Qf2 Bc6 19. Rac1 Rac7 20. Bf1 h6 =
21. Be2
a5 22. Qf1 e5 23. Nd2 Bb7 24. Nc4 Rc6 25. Nd5 Nxd5 26. Rxd5 Nf6 27. Rxe5 =
Bd8
28. a4 Ba6 29. Bd4 Qb8 30. b3 R8c7 31. Rd1 Be7 32. Qf2 Rd7 33. Rf5 Bxc4 =

 (I've cut it off because they are so long) 

[Nebulaisbuggy]

If I look at the messages on my browser using gmail they are completely different, and I have to keep doing this to see what people have written. Still, I would prefer to use Thunderbird if possible.