Derivatives market T1 test environment upgrade

Dear Derivatives market test environment users,

Starting 15^th of February, 2023, derivatives market T1 test environment will be unavailable due to upgrade to SPECTRA version 7.9. Upgrade is to be finished by 20^th of February 2023.
Full list of changes is in the attachment, new documentation, software distributives and schemes will be published after test environment is upgraded.

Attachment