Spectra T1 test environment upgrade

Dear Derivatives market test environment users,
Please be informed that starting from 14:15 MSK 15^th of January till 20^th of January 2020 Spectra test environment T1 will be unavailable due to planned upgrade to v 6.4. Planned date of release – 17^th of February. The list of changes in the new version will be published in the beginning of the next week.