Atlantis Release Notes

This page contains 2025 & 2026 Atlantis Release Notes. For previous year releases, see the Archive Atlantis Release Notes page.

May 16, 2026 - v2.0.317

• Enhanced Client Lookup using available clearing accounts

• Counterparty rules report fields added (Payer; Receiver; Current Executing Part.; Previous Executing Part.) 
• XCA: Rate schedule issues - further integration 
• Infrastructure changes & bug fixes

Apr 18, 2026 - v2.0.315

• Rate schedule issues persisted in XCA

• Validate agreement amend when trade date > agreement termination date + UI pop up

• New section Fee Lookup: Translation Events

• Detail download: Refactor downloads by Metrics Institution (not Receiver Participant) 

Mar 21, 2026 - v2.0.313

• Allow EB source trades to be amended before Payer Approval

• Additional UI functionality for FIA Tech Admins

• Infrastructure changes & bug fixes

Feb 21, 2026 - v2.0.311

• Agreement Amend - enhanced validation message

• TDN Brokerage: Additional reporting (XCA) 

• Fee Archived message - Receiver / Payer added to event message

• New UI canned views (Client)

• Party Onboarding Extract for FIA Tech Admins

• Infrastructure changes & bug fixes

Jan 24, 2026 - v2.0.309

• Infrastructure changes & bug fixes

Dec 20, 2025 - v2.0.306

• Participant Onboarding screen - FIA Tech Admins
• Relax clientState validation

Dec 6, 2025 - v2.0.305

• New Archived Event message {available for opt-in}
• TDN Brokerage: Inbound & Outbound message integration
• UX Improvements – IsBlank/IsNotBlank added as canned search options
• Mandatory Infrastructure changes

Nov 1, 2025 - v2.0.303

• TDN Brokerage: Further integration changes & improvements

• Settlement Summary widget - 'Awaiting Action' column added & logic improvements

• OPB logic revised - OPB agreements no longer defaulted to in the event of a multi-agreement match

• Various bug fixes & technical improvements

Oct 4, 2025 - v2.0.301

• TDN Brokerage: Further integration changes & improvements

• UX: Agreements screen (Agreement Validity parent filter added; ability to search on a string of Agreement ID's & default row increase)

• UX: Summary screen (Radio buttons added for CCP Account Type, Execution Method Code & Settlement Cycle) 

• Various bug fixes & technical improvements

Sep 6, 2025 - v2.0.299

• TDN Brokerage: Development of real-time feed between Atlantis & TDN
• eRates Direct Bill flag: Differentiate by Agreement type if not Bill Direct {previously defaulted to Customer}
• SFTP Outbox Clean-up
• Settlement Calendar now available for ingestion via SFTP
• Settled archived date moved - all archives (Settled, Unsettled Eligible & Unsettled Ineligible) now first Saturday of every month
• Summary UI canned views clean-up 

Aug 9, 2025 - v2.0.297

• TDN Brokerage: New aggregates (Client State & Client Participant Code) added in Atlantis summary screen
• Unit Of Measure & Unit of Measure Qty: Derivation from Databank on Fee Post
• Unit Of Measure & Unit of Measure Qty: Historical Fee Post population
• TDN Brokerage: Client Participant messaging

Jul 12, 2025 - v2.0.295

• TDN Brokerage: Auto-affirmation based on Client State
• TDN Brokerage: Client Participant Code resolution
• TDN Brokerage: Bug fixes
• Remove Exchange acronym legacy code - Daily Trade reports (from August 1st)

Jun 14, 2025 - v2.0.293

• TDN Brokerage: Two addition data attributes (Rate, Rate Type) added to DB, UI & Reporting
• TDN Brokerage: Messaging workflow improvements
• Rate schedule issues report: Calculated Agreement ID field added
• Weekly issues reports: Formatting improvements
• Enhanced schema now live & ready for firm adoption 

May 24, 2025 - v2.0.291

• TDN Brokerage: New data attributes
• TDN Brokerage: New CannotSettleReason
• TDN Brokerage: UI changes (Detail download + Fee Lookup)
• TDN Brokerage: Block EB affirmation & auto-affirm on Client Approval

Apr 26, 2025 - v2.0.289

• Additional validation for the rate field to stop erroneous updates - Now: 9,5 (Total Digits, Fractional Digits) / Previous 19,8
• Eod Pricing: Fee Calculation
• Final reports & Cycle Close to run on same evening

Mar 22, 2025 - v2.0.287

• MQ: Outbound Batching (improved EOC)

• MQ: eRecs publication changes (improved EOC)

• Time based EOD generation (improved EOC)

• EOD Ref price stamped at trade level for Eurex

Mar 1, 2025 - v2.0.285

• Minor enhancements & bug fixes

Feb 1, 2025 - v2.0.283

• FMX Fee Post logic {FMX now fully onboarded}
• Enhanced schema implementation - All participants opted out - next steps to follow
• Nasdaq ccpAccountType population
• ICE ccpAccountType population
• Minor enhancements & bug fixes