The relevant change is SHA1 in openssl3
https://github.com/openssl/openssl/commit/aba03ae571ea677fc484daef00a21ca8f7e82708
SHA1 is, contrary to what someone would expect given that the documentation 
says:

Level 4

Security level set to 192 bits of security. As a result RSA, DSA and
DH keys shorter than 7680 bits and ECC keys shorter than 384 bits are
prohibited.  Cipher suites using SHA1 for the MAC are prohibited. TLS
versions below 1.2 are not permitted.

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https://bugs.launchpad.net/bugs/1954970

Title:
  remmina "Cannot connect to the RDP server ... via TLS. Check that the
  client and server support a common TLS version"

Status in freerdp2 package in Ubuntu:
  Confirmed
Status in freerdp2 source package in Jammy:
  Confirmed

Bug description:
  Xubuntu Jammy (21.04)
  after upgrade
     libfreerdp-client2-2 (2.3.0+dfsg1-2ubuntu2 => 2.4.1+dfsg1-1)
     libfreerdp2-2 (2.3.0+dfsg1-2ubuntu2 => 2.4.1+dfsg1-1)
  Remmina can't connect to any RDP server (Win2008 R2) with error:
  "Cannot connect to the RDP server ... via TLS. Check that the client and 
server support a common TLS version"

  Rollback to Impish version of libs
     libfreerdp-client2-2 2.3.0+dfsg1-2ubuntu2
     libfreerdp2-2 2.3.0+dfsg1-2ubuntu2
  makes it work normal.

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