TransFICC - TransFICC

93.0.0+95823.61b5a89 - 01/09/2026

Production Release - 05/09/2026

Service Changes

eTrading Platform - Trader Desktop - Inquiry Watchlist [complete]
Tradeweb CORI - Inquiry - Handle Race Between QuoteAck and Customer Accept [complete]
Tradeweb TRSY - Inquiry - NC List - Handle Customer Accept Race with OTW Time Expire [complete]
Tradeweb Direct Taker - RFQ - Support dealer reject in quote subject [complete]
Realq Axematch - Post Trade [in progress]
Outsourced Liquidity Solutions Business - Trading - Set filter for instruments sent to liquidity provider in UI [complete]
Outsourced Liquidity Solutions Business - RFQ - Route inquiries to destinations [in progress]
MarketAxess Client Taker - RFQ - Support quote and reject from quote subject [complete]
eTrading Platform - RFQ - Allow default book id to be configured for a trader [complete]
Bloomberg ETF - RFQ/RFM [in progress]
Tradeweb EU ETF - Trading - AON [in progress]
eTrading - Support For Swap Spreads [in progress]
ICAP iSwap IRS - RFQ - ICAP iSwap - Inquiry - Compression [in progress]
CanDeal - Click And Trade [complete]
CanDeal - Price Contribution [complete]
CanDeal - Trading - NC List - Spread [in progress]
CanDeal - RFQ - Limit Order [in progress]
CanDeal - RFQ - Customer Price [in progress]

Library Changes

Add venue enum AXEMATCH_POST_TRADE

Inquiry Protocol

Add QuoteRequestEvent.EventLeg.venueSpecificInfo["counterpartyTraderUuid"] for Bloomberg ETF Trading
Add QuoteRequestEvent.EventLeg.venueSpecificInfo["netGrossIndicator"] for Bloomberg ETF Trading
Add QuoteRequestEvent.EventLeg.venueSpecificInfo["tradeSubType"] for Bloomberg ETF Trading
Add QuoteRequestEvent.EventLeg.venueSpecificInfop["priceContributionActionId"] for CanDeal Trading
Add QuoteRequestEvent.EventLeg.venueSpecificInfop["referenceAggregateId"] for CanDeal Trading

Post Trade Protocol

Add TradeEvent.venueSpecificInfo["grossPrice"] for MarketAxess EU, MarketAxess US and MarketAxess MUNI Post Trade
Add TradeEvent.venueSpecificInfo["salesCreditCode"] for Trumid Attributed Trading and Post Trade

Static Data Protocol

Update schema documentation regarding instrumentReference

92.0.0-unstable.95152+794e37c- 17/08/2026

Production Release - 22/08/2026

Service Changes

Missing actionID in Aladdin Trading QuoteResponseEvent [complete]
Outsourced Liquidity Solutions Business - don't send Mifid data on risk transfer trades [complete]
Outsourced Liquidity Solutions Business - RFQ - Support pricing between ticks [complete]
MarketAxess US - Taker Inquiry - Support DealerQuote and DealerReject from QuoteSubject [complete]
Outsourced Liquidity Solutions Business - Trading - Set filter for instruments sent to liquidity provider in UI [in progress]
Bloomberg ETF - RFQ/RFM [in progress]
Tradeweb EU ETF - Post Trade [complete]
Tradeweb EU ETF - Trading - RFQ/RFM/Process/NC List [complete]
Tradeweb EU ETF - Trading - AON [in progress]
eTrading Platform - Trader Desktop - Inquiry Watchlist [in progress]
CanDeal - Trading - NC List - Spread [in progress]
CanDeal - Price Contributions [in progress]
CanDeal - Post Trade [complete]
Dealerweb US Repo - Market Data - Dealerweb US Repo - Market Data [complete]
MarketAxess Marketdata - Support new fields in MarketDataSnapshotFullRefresh [complete]
Bloomberg TOMS CDS Trade Capture - Support for Indices [complete]
Senaf - Handle partial fills received for an order placed by dealer [complete]

Library Changes

Add venue enums BLOOMBERG_ETF_TRADING, CANDEAL_PRICE_CONTRIBUTION
Update TransFICC domain Impl object get methods to return Impl rather than interface; ensure setter method is being given an instance of the Impl

Market Data Protocol

Add VenueSpecificInfo structure to ImmediateOrderEvent, OrderUpdateEvent, and OrderSnapshotEvent
Add venueSpecificInfo["mdEntryTimeMicros"] and venueSpecificInfo["mtsSortingTimeMicros"] to OrderSnapshotEvent, OrderUpdateEvent and ImmediateOrderEvent for MTS Live
Add venueSpecificInfo["isParallelOrder"] on OrderUpdateEvent and ImmediateOrderEvent for MTS Live

Price Contribution Protocol

Add maturityDate to QuoteAction for CanDeal

Bloomberg Toms Tradecapture Protocol

Add subAssetClass to NewTradeAction and AmendTradeAction for Bloomberg TOMS CDS

Inquiry Protocol

Add legs to PriceConfirmationAction to support AON list confirmation on Tradeweb EU ETF. For existing venues that use PriceConfirmationAction, previously top level fields must now be set on a leg with empty referenceId

Post Trade Protocol

Add TradeEvent.venueSpecificInfo["collateralType"] for GLMX
Add TradeEvent.venueSpecificInfo["isRegS"] for Octaura CLO
Add TradeEvent.venueSpecificInfo["customerInformation"] for Tradeweb EU ETF
Add TradeEvent.venueSpecificInfo["counterpartyFirmAcronym"] (and remove companyAcronym) for Tradeweb EU ETF
Add TradeAllocationEvent.Allocation.venueSpecificInfo["customerInformation"] for Tradeweb EU ETF
Add TradeAllocationEvent.Allocation.venueSpecificInfo["counterpartyFirmAcronym"] (and remove companyAcronym) for Tradeweb EU ETF

eTrading Changes

Inquiry Protocol

Add TRADEWEB_EU_CORP_TRADING, TRADEWEB_EUGV_TRADING, TRADEWEB_TRSY_TRADING, TRUMID_ATTRIBUTED_TRADING, ICE_BONDPOINT_TRADING, ICE_TMC_TRADING, TRADEWEB_DIRECT_TRADING to venue.json

Historic Data Service Protocol

Add inquiry-type.json for new InquiryType
Add inquiryType to inquiry-snapshot.json
Replace markup with bidMarkup and askMarkup on inquiry-snapshot.json

91.0.0+94222.a8575f7 - 28/07/2026

Production Release - 08/08/2026

Service Changes

Dealerweb US Repo - Market Data - Dealerweb US Repo - Market Data [in progress]
Ice Bondpoint Taker - RFQ - ICE BONDPOINT - Taker Trading QA [complete]
Euronext MOT - CLOB - Add selfMatchingPrevention to Custom Config [complete]
CanDeal - Trading - Outright/Switch/Fly/NC List - Price/Yield [complete]
CanDeal - Trading - NC List - Spread [in progress]
CanDeal - Post Trade [complete]
Icelink - Upgrade ICELink API library - [complete]
Outsourced Liquidity Solutions Business - RFQ - Support pricing between ticks [in progress]
Outsourced Liquidity Solutions Business - Trading - Set filter for instruments sent to liquidity provider in UI [in progress]
eTrading Platform - Trader Desktop - Inquiry Watchlist - [in progress]
Tradeweb EU ETF - Post Trade [in progress]
Tradeweb EU ETF - Trading - RFQ/RFM/Process/NC List [in progress]
Tradeweb EU ETF - Trading - AON [in progress]
MTS Repo - Post Trade - TradeEvent - Update Mapping For quantity [complete]
MTS BondVision - Inquiry - Process Trade - QuoteRequestEvent - Add Mapping For Price [complete]

Library Changes

Add venue enums: CANDEAL_POST_TRADE, DEALERWEB_US_REPO_MARKET_DATA

Post Trade Protocol

Add TradeEvent.venueSpecificInfo["companyAcronym"] for Tradeweb EU ETF
Add TradeEvent.venueSpecificInfo["brokerCode"] for MTS Repo

Inquiry Protocol

Added state machine diagrams for LTX, CanDeal and Tradeweb EU ETF
Update Ice TMC Rfq Curtain state machine to add DealerRejectAction in CurtainQuoteStreaming

90.0.0+93588.44c71b4 - 11/07/2026

Production Release - 25/07/2026

Service Changes

BBG Bonds - MarketSegmentID 'ChinaForeignExchangeTradeSystem' should be treated as an off-venue trade [complete]
Icelink - Clearing Protocol - Fix bug around connection lifecycle [complete]
Outsourced Liquidity Solutions Business - Trading - Currency and Clearing House Filtering [complete]
Outsourced Liquidity Solutions Business - Trading - Set filter for instruments sent to liquidity provider in UI [in progress]
Tradeweb DSWP - RFQ - Support both HitLiftSubjectEvent and CustomerAccept regardless of inquiry traded firm status [complete]
Tradeweb EU ETF - IOI [complete]
Tradeweb EU ETF - Price Contribution [complete]
Tradeweb EU ETF - Trading - RFQ/RFM/Process/NC List [in progress]
Tradeweb EU ETF - Trading - AON [in progress]
eTrading Platform - Trader Desktop - fix reported issue with Today table not clearing inquiries and performance issues [complete]
eTrading Platform - Trader Desktop - IRS: NPV to Rate Conversion [complete]
eTrading Platform - Trader Desktop - Support For Trumid Attributed process trades only [complete]
ICE TMC - Trading - RFQ (Non-Muni) ASAP [in progress]
eTrading Platform - Inquiry Watchlist [in progress]
Jane Street Trading Taker - RFQ - Support new industryType values on NewQuoteRequestAction [complete]
Euronext MOT - CLOB - Add selfMatchingPrevention to Custom Config [complete]
Trumid - Post Trade - Add Support For Darkstream Real Time Fills [complete]
Candeal - RFQ - CanDeal - Trading - Outright/Switch/Fly - Price/Yield [in progress]
Candeal - RFQ - CanDeal - Trading - NC List - Price/Yield [in progress]
GLMX - RFQ - GLMX - Inquiry - TradedNegotiationReportEvent - Update Mapping For quantity [complete]
ICAP iSwap - Trading - RFQ/RFM/Process Trade/Compression [in progress]
BBG TOMS TradeCapture [CDS]- Support for AmendTradeAction [complete]

Library Changes

Multiple Protocols

added ETF to AssetClass enum for Tradeweb EU ETF Trading
added PERCENT_OFFSET to PriceType enum for Tradeweb EU ETF Trading

Bloomberg Toms Tradecapture Protocol

add instrumentIdBbgSymbol to AmendTradeAction (for CDS)

Inquiry

add QuoteRequestEvent.eventLeg.venueSpecificInfo["minimumQuantity"] for MTS Bondvision Trading
add QuoteRequestEvent.eventLeg.venueSpecificInfo["ocoId"] for Tradeweb EURP Trading
add QuoteRequestEvent.eventLeg.venueSpecificInfo["customerInformation"] for Tradeweb EU ETF Trading
add QuoteRequestEvent.eventLeg.venueSpecificInfo["netGrossIndicator"] for Tradeweb EU ETF Trading
add QuoteRequestEvent.eventLeg.venueSpecificInfo["tradeSubType"] for Tradeweb EU ETF Trading
add QuoteAction.quoteVenueSpecificData.mic for Aladdin EMEA Trading
add QuoteAction.quoteVenueSpecificData.asSystematicInternaliser for Aladdin EMEA Trading

Post Trade

add TradeEvent.venueSpecificInfo["isDarkstreamFill"] for Trumid

89.0.0+92900.8dcab50 - 30/06/2026

Production Release - 11/07/2026

Service Changes

GLMX - Post Trade - TradeEvent / LifecycleEvent Add collectionId [complete]
BBG Bonds - Trading - Include venue fees on QuoteRequestEvent for yield inquiries [complete]
Outsourced Liquidity Solutions Business - Trading - Set filter for instruments sent to liquidity provider in UI [in progress]
Outsourced Liquidity Solutions Business - Price Contribution - Handle message rate breaches [complete]
Outsourced Liquidity Solutions Business - Trading - Compensate for venue fees on HitLiftSubjectEvent, CounterEvent and CustomerAcceptEvent for Bloomberg Bonds [complete]
LTX - Trading - Price ASAP/BIN [complete]
LTX - Trading - Spread ASAP/BIN [complete]
ICE Bondpoint - Taker Trading - CAT [in complete]
Tradeweb EU ETF - IOI [in progress]
Tradeweb EU ETF - Price Contribution [in progress]
eTrading Platform - Trader Desktop - Support for Tradeweb Direct [complete]
eTrading Platform - Trader Desktop - IRS: NPV to Rate Conversion [in progress]
eTrading Platform - Trader Desktop - Support For Trumid Attributed [in progress]
ICE TMC - Trading - RFQ (Non-Muni) ASAP [in progress]
Trumid Attributed - Trading - Sales Initiated Process Trade [in progress]
CanDeal - Trading - Outright [in progress]
ICAP iSwap - Trading - RFQ/RFM/Process Trade/Compression [in progress]
Tradeweb CORI - Post Trade - New price type for MMY and DM [complete]
Bloomberg CDS TOMS Trade Capture - Support AmendTradeAction [in progress]

Library Changes

Add venue enums: CANDEAL_TRADING
add RIC to InstrumentIdType

Inquiry Schema

add QuoteRequestEvent.quoteLeg.venueSpecificInfo["securitySubType"] for TW DSWP/YSWP/IRS Trading
add CounterEvent.CounterLeg.venueSpecificInfo["packagePrice"] for ICAP ISwap Trading
add QuoteRequestEvent.quoteLeg.venueSpecificInfo["isBuySellOrSellBuy"] for Glmx Trading
add QuoteRequestEvent.quoteLeg.venueSpecificInfo["isSalesInitiated"] for Trumid Attributed Trading

Ioi Contribution

add docs for LTX IOI

Post Trade

add TradeEvent.venueSpecificInfo["collectionId"] for GLMX
add TradeEvent.venueSpecificInfo["isBuySellOrSellBuy"] for GLMX
add LifeCycleEvent.venueSpecificInfo["collectionId"] for GLMX
add TradeEvent.venueSpecificInfo["dealComment"] for ICELink CDS

Historic Data Service

add isSalesInitiated to Inquiry

88.0.0+92119.59fc1ff - 18/06/2026

Production Release - 27/06/2026

Service Changes

LTX - Trading - Price ASAP/BIN [in progress]
LTX - Trading - Spread ASAP/BIN [in progress]
ICE Bondpoint - Taker Trading - CAT [in progress]
ICE Bondpoint - Taker Trading - RFQ [complete]
Tradeweb EUGV - Trading - Basis [complete]
Tradeweb EUGV - Post Trade - Basis [complete]
Tradeweb EURP - Post Trade - Map collateralUTI on CollateralAssignmentEvent [complete]
Markovtech - Market Data [complete]
Markovtech - Taker Trading [complete]
ICAP & TP US Repo - Market Data - Update method to subscribe to data [complete]
Bloomberg CDS TOMS Trade Capture - Support for AmendTradeAction [in progress]
iSwap IRS - RFQ - ICAP iSwap - Inquiry - RFQ/RFM/Process Trade/Compression [in progress]
GLMX - Trading - Send InquiryNegotiatedOffTransficcApiEvent instead of erroring [complete]
eTrading Platform - Reference Data Service - Clean up expired instrument ref data [complete]
eTrading Platform - Trader Desktop - Support Tradeweb Direct [in progress]
eTrading Platform - Trader Desktop - Multi Price Type [complete]
eTrading Platform - Trader Desktop - Make tick increments customizable [complete]
eTrading Platform - Trader Desktop - Trader Desktop IRS: NPV to Rate Conversion [in progress]
Outsourced Liquidity Solutions Business - Trading - Support pricing between ticks [in progress]
Outsourced Liquidity Solutions Business - Trading - Set filter for instruments sent to liquidity provider in UI [in progress]
Outsourced Liquidity Solutions Business - Price Contribution - Handle message rate breaches [in progress]

Library Changes

Add venue enums TRADEWEB_EU_ETF_PLUS_CONTRIBUTION, TRADEWEB_EU_ETF_POST_TRADE, TRADEWEB_EU_ETF_TRADING, MARKOVTECH_MARKET_DATA, MARKOVTECH_TRADING_TAKER

Bloomberg Toms Tradecapture Protocol

Add clearingFirm, symbolCds and execAccount to AmendTradeAction

Post Trade Protocol

Add salesPersonName to TradeEvent.venueSpecificInfo for Bloomberg CDS
Add brokerageFeeMarkup to TradeEvent.venueSpecificInfo for Bloomberg Bonds
Add floatingRateLookbackPeriodDays, floatingRateLockoutPeriodDays, structureOptionDate to TradeEvent.repoSpecificInfo

Inquiry Protocol

Add benchmarkQuantity to PriceConfirmationAction
Add floatingRateLookbackPeriodDays, floatingRateLockoutPeriodDays, structureOptionDate, benchmarkPoint to QuoteRequestEvent.EventLeg.QuoteRequestRepoSpecificInfo
Remove floatingRateCalculationMethod from QuoteRequestEvent.eventLeg.venueSpecificInfo for Tradeweb EURP in favour of newly added fields
Add underlyingDirtyPrice to CounterEvent.CounterLeg.venueSpecificInfo and HitLiftSubjectEvent.HitLiftLeg.venueSpecificInfo for Tradeweb EURP
Add yield to QuoteRequestEvent.eventLeg.venueSpecificInfo for Tradeweb EUGV basis
Update state machine diagram to mention basis for Tradeweb EUGV

Taker Inquiry Protocol

Fix docs for usage of quoteRevealType
Rename NewQuoteRequestAction.newQuoteRequestVenueSpecificData fields janestreetPlatform, janestreetClientCode, janestreetClientLocation, janestreetClientTier respectively to platform, clientCode, clientLocation, clientTier
Add docs for Markovtech
Add state machine diagrams for ICE Bondpoint Taker RFQ and CAT

87.0.0+91093.05c7d26 - 03/06/2026

Production Release - 13/06/2026

Service Changes

Outsourced Liquidity Solutions Business - Trading - Support pricing between ticks [in progress]
Outsourced Liquidity Solutions Business - Trading - Show liquidity provider as owner on trader desktop UI [complete]
TP US Repo Market Data - Update method to subscribe to data [in progress]
LTX - Trading - Price ASAP/BIN [in progress]
LTX - Trading - Spread ASAP/BIN [in progress]
eTrading Platform - Trader Desktop - Dealer Reject via the blotter [done]
eTrading Platform - Trader Desktop - Trader Desktop IRS: NPV to Rate Conversion [in progress]
eTrading Platform - Trader Desktop - Make tick increments customizable [in progress]
eTrading Platform - Trader Desktop - Multi Price Type [in progress]
eTrading Platform - Trader Desktop - Support ICE BondPoint [complete]
iSwap IRS - RFQ - ICAP iSwap - Inquiry - RFQ/RFM/Process Trade/Compression [in progress]
ICE TMC Taker - RFQ/CAT/Post Trade - ICE TMC - Taker Trading [complete]
ICE Bondpoint Taker - CAT - ICE Bondpoint - Taker Trading [in progress]
Bloomberg CDS - RFQ - Support bunched trades [complete]

Library Changes

Add venue enum ICE_BONDPOINT_TRADING_TAKER

Inquiry Protocol

Add side into CounterEvent.CounterLeg.venueSpecificInfo for ICAP_ISWAP_TRADING

Post Trade Protocol

Add uti, utiPrefix and coupon to TradeEvent.venueSpecificInfo for BLOOMBERG_MAP_POST_TRADE

eTrading Changes

Historic Data Service Protocol

Add owner to inquiry-snapshot.json

86.0.0+90521.a612956 - 22/05/2026

Production Release - 30/05/2026

Service Changes

TP EU Bonds Post Trade - wrong settlement date being mapped [complete]
Outsourced Liquidity Solutions Business - Price Contribution LDM [complete]
Outsourced Liquidity Solutions Business - Trading - Support Bonds inquiries [complete]
Outsourced Liquidity Solutions Business - Trading - Support pricing between ticks [in progress]
Outsourced Liquidity Solutions Business - Trading - Show liquidity provider as owner on trader desktop UI [in progress]
Brokertec CME US - Orders [complete]
LTX - IOI [complete]
LTX - Post Trade [complete]
LTX - Trading - Price ASAP/BIN [in progress]
Use instrumentReference when trading on CLOB Protocol [complete]
Bloomberg Bonds - Trading - Add number of dealers in the final report where addition of dealers mid RFQ is possible [complete]
eTrading Platform - Trader Desktop - Dealer Reject via the blotter - [in progress]
eTrading Platform - Trader Desktop - Keyboard Shortcuts [complete]
eTrading Platform - Trader Desktop - Reveal side when known for BBG RFMs [complete]
eTrading Platform - Trader Desktop - change minimum dismissal time to 0 seconds [complete]
eTrading Platform - Trader Desktop - Ensure completed inquiries in eTrading get removed intraday [complete]
eTrading Platform - Trader Desktop - Trader Desktop IRS: NPV to Rate Conversion [in progress]
eTrading Platform - Trader Desktop - Multi Price Type [in progress]
Tradeweb US & EU CDS (Price Contribution) Rolls/Curves/Switches - Bid Sided Contribution (Cross Market Issue) [complete]
ICE Tmc Taker - RFQ - ICE TMC - Taker Trading [complete]
ICE Tmc Taker - CAT - ICE TMC - Taker Trading [in progress]
iSwap IRS - RFQ - ICAP iSwap - Inquiry - RFQ/RFM/Process Trade/Compression [in progress]
GLMX - Inquiry - QuoteAction - Add underlyingAllInSettlePrice [complete]
GLMX - Inquiry - QuoteAction / DealerAcceptAction - Add commission [complete]
eTrading Platform - Trader Desktop - Allow aliasing of Compression RFM trade side [complete]

Library Changes

Add venues - LTX_POST_TRADE, LTX_TRADING, LTX_IOI_CONTRIBUTION

Inquiry Protocol

Add commission to QuoteAction.venueSpecificData and DealerAcceptAction.venueSpecificData for GLMX_TRADING
Add underlyingAllInSettlePrice into QuoteAction.quoteRepoSpecificInfo for GLMX_TRADING and TRADEWEB_EURP_TRADING
Add numberOfDealers NegotiationReportEvent.venueSpecificInfo and TradedNegotiationReportEvent.venueSpecificInfo for Bloomberg Bonds

Taker Inquiry Protocol

Add iceTmcTradeDate to NewQuoteRequestAction.venueSpecificData

Clob Trading Protocol

Change how instruments are specified on actions using instrumentReference

eTrading Changes

Inquiry Protocol

Add documentation to price.json regarding optional additional prices

85.0.0+89779.307356c - 11/05/2026

Production Release - 16/05/2026

Service Changes

Brokertec CME US - Static And Market Data [complete]
Brokertec CME US - Orders [in progress]
Use instrumentReference when trading on CLOB Protocol - [in progress] Please talk to us if upgrading to this version for CLOB protocol
Outsourced Liquidity Solutions Business - Price Contribution - LDM [in progress]
Trumid List / Trumid Attributed - Inquiry - Map QuoteRequestEvent.salesPerson.id
eTrading Platform - Trader Desktop - Multi Price Type [in progress]
eTrading Platform - Trader Desktop - Add Stabilise View option for Live Blotter [in progress]
eTrading Platform - Trader Desktop - Show Price in Quote Controller for tie breaks without price [in progress]
Bloomberg Bonds - RFQ - Make adaptor tolerant of spurious acks from ION multiplexed session [in progress]
Tradeweb US CDS - Click And Trade - Outright Indices [in progress]
Tradeweb US CDS - Trading - Indices Rolls/Switches/Curves [in progress]
Iswap IRS - Trading - RFQ/RFM/Process Trade/Compression [in progress]
ICE TMC - Taker Trading - RFQ [in progress]
Tradeweb EU Corp - Post Trade - Add support for spread trading [complete]
Merge Quote Streaming protocol into Market Data protocol [in progress]
ICE BondPoint - Trading / Post Trade - Fix event send times [complete]
SENAF - Orders - Handle venue changes related to position cancellations [complete]

Library Changes

Add venue enums ICAP_ISWAP_TRADING, ICE_TMC_TRADING_TAKER

Market Data Protocol

Add QuoteUpdateEvent

Inquiry Protocol

Update QuoteRequestEvent.isInstrumentCustom documentation to indicate it only applies to IRS

Post Trade Protocol

Rename TradeEvent.repoSpecificInfo.structuredDayCount to callPeriodHours and TradeEvent.repoSpecificInfo.tripartyStructure to structure in order to match Inquiry Protocol field names
Remove TradeEvent.venueSpecificInfo.couponRate from Tradeweb EU CDS and Tradeweb US CDS
Add TradeEvent.venueSpecificInfo.uniqueProductIdentifier for Tradeweb US CDS - Uniquely identifies the product of a security using ISO 4914 standard
Add documentation fo TradeEvent.tradeId and TradeEvent.packageTradeId for Tradeweb MBSP
Change the type of TradeEvent.postTradeTransparencyDeferral from a set of enums to a set of strings

Clob Trading Protocol

Add instrumentReference to SynchronisationEvent

eTrading Changes

Inquiry Protocol

Add Price.instruments.additionalPrices object

Historic Data Service Protocol

Add InquirySnapshot.inquiryDetails.prices.onDemandPrice.additionalPrices object

84.0.0+88910.5d63bad - 22/04/2026

Production Release - 02/05/2026

Service Changes

Brokertec CME US - Post Trade [complete]
Brokertec CME US - Orders [in progress]
Tradeweb MBSP - Trading - NC List PayUp [complete]
Tradeweb MBSP - Trading - NC List Swap vs TBA [complete]
Tradeweb MBSP - Post Trade [complete]
Outsourced Liquidity Solutions Business - Price Contribution - LDM [in progress]
Trumid List - Inquiry - Money Market Yield [complete]
Trumid List - Inquiry - Support for TieBreakEvent [complete]
Bloomberg CDS - Click And Trade [complete]
Tradeweb US CDS - Click And Trade - Outright Indices [in progress]
Tradeweb US CDS - Trading - Indices Rolls/Switches/Curves [in progress]
eTrading Platform - Trader Desktop - Multi Price Type [in progress]
eTrading Platform - Keyboard Shortcuts [complete]
Bloomberg Bonds - Trading - EFP RFM [complete]
Bloomberg Bonds - CAT - Fix issue with FX settlement rate not being used
Use instrumentReference when trading on CLOB Protocol - [in progress] Please talk to us if upgrading to this version for CLOB protocol
Octaura Loans - Post Trade - Support process trades
Tradeweb EU Corp - Post Trade - Add support for spread trading
Tradeweb EURP - Post Trade - Update calculation of TradeAllocationEvent.allocationNetAmount for Triparty

Library Changes

Inquiry Protocol

Rename venueSpecificInfo key TradeAxeIndicator to tradeAxeIndicator
Rename Tradeweb MBSP venueSpecificInfo key GroupID to groupId

Static Data Protocol

Update schema documentation regarding instrumentReference field description and its relationship with the CLOB protocol

Post Trade Protocol

Add Brokertec CME US TradeEvent.venueSpecificInfo tradeConnectionName
Rename venueSpecificInfo key RFQWonTied to rfqWonTied

Clob Trading Protocol

Add instrumentReference to NewOrderAction, NewQuoteAction, OrderFillEvent, QuoteFillEvent and ClobStatusEvent

83.0.0+88324.9466638 - 08/04/2026

Production Release - 18/04/2026

Service Changes

Tradeweb MBSP - Trading - NC List PayUp [in progress]
Tradeweb MBSP - Trading - NC List Swap vs TBA [in progress]
Tradeweb MBSP - Post Trade [in progress]
eTrading Platform - Keyboard Shortcuts [in progress]
eTrading Platform - Display delta as provided over Inquiry Protocol [complete]
Tradeweb EU CDS - Trading - Support Indices Rolls/Switches/Curves [complete]
Tradeweb EU CDS - Post Trade - Support Indices Rolls/Switches/Curves [complete]
Tradeweb EU CDS - Click And Trade - Support Indices Rolls/Switches/Curves [complete]
Tradeweb EU CDS - Click And Trade Post Trade - Support Indices Rolls/Switches/Curves[complete]
Tradeweb US CDS - Price Contribution - Support Indices Rolls/Switches/Curves [complete]
Bloomberg Bonds - Trading - EFP RFM [in progress]
Outsourced Liquidity Solutions Business - Price Contribution [in progress]

Library Changes

Add venue enums BROKERTEC_CME_US_ORDERS, BROKERTEC_CME_US_POST_TRADE, BROKERTEC_CME_US_MARKET_DATA
Rename venue enum BROKERTEC_EU_CME to BROKERTEC_CME_EU_ORDERS
Rename venue enum BROKERTEC_EU_CME_MARKET_DATA to BROKERTEC_CME_EU_MARKET_DATA
Rename venue enum BROKERTEC_EU_CME_POST_TRADE to BROKERTEC_CME_EU_POST_TRADE

Price Contribution Protocol

Rename CancelQuoteAction.venueSpecificData to CancelQuoteAction.cancelVenueSpecificData
Rename QuoteAction.venueSpecificData to QuoteAction.quoteVenueSpecificData
Remove benchmarkId and benchmarkIdType from quoteVenueSpecificData

eTrading Changes

Inquiry Protocol

Rename OnDemandPricer to Inquiry Protocol

Historic Data Service Protocol

Add pv01 to properties.inquiryDetails.legs.items in inquiry-snapshot.json

82.0.0+87889.99ef574 - 26/03/2026

Production Release - 04/04/2026

Service Changes

Tradeweb MBSP - Trading - NC List PayUp [in progress]
Tradeweb MBSP - Trading - NC List Swap vs TBA [in progress]
Tradeweb MBSP - Post Trade [in progress]
Tradeweb EU IRS/DSWP/YSWP - Price Contribution - Support async contributions [complete]
Tradeweb EU CDS - Trading - Support Indices and Roll Switches [in progress]
Tradeweb EU CDS - Post Trade - Support Indices and Roll Switches [in progress]
Tradeweb EU CDS - Click And Trade - Support Outright Indices [in progress]
Tradeweb EU CDS - Click And Trade Post Trade - Support Outright Indices [in progress]
Bloomberg Bonds - Trading - Bond Basis [complete]
Bloomberg Bonds - Trading - Efp [complete]
Bloomberg Bonds - Trading - Set counterparty qualifier for bridge inquiries [complete]
Outsourced Liquidity Solutions Business - Post Trade - FPML obfuscation and pricing [complete]
Outsourced Liquidity Solutions Business - Compressions - Synthetic leg pricing for RFM [complete]
eTrading Platform - Credit - quantity negotiation [complete]
eTrading Platform - Rates - UST, EGB/UKT & EUCORP Support [complete]
eTrading Platform - Allow users to configure inquiry dismissal time on UI [complete]
Tradeweb EURP - Trading - AON - Support leg level book IDs for QuoteAction [complete]

Library Changes

Add venue enum TRADEWEB_MBSP_POST_TRADE

Price Contribution Protocol

add liquidityTier to QuoteAction and CancelQuoteAction (required on Tradeweb EU CDS/ Tradeweb US CDS for Indices)

eTrading Changes

On Demand Pricer Protocol

Add delta and pv01 to priceInstrument on Price

81.0.0+87207.3ad41dc - 12/03/2026

Production Release - 21/03/2026

Service Changes

Tradeweb MBSP - Trading - NC List PayUp [in progress]
Tradeweb EU CDS - Trading - Support Indices and Roll Switches [in progress]
Bloomberg Bonds - Trading - Bond Basis [in progress]
Bloomberg Bonds - Trading - Efp [in progress]
Bloomberg CDS - Click And Trade - Rolls and Switch Indices [complete]
Bloomberg CDS - Post Trade - Rolls and Switch Indices [complete]
Bloomberg CDS - Price Contribution - Rolls and Switch Indices [complete]
MTS Repo - Post Trade [complete]
eTrading Platform - Credit - quantity negotiation [in progress]
eTrading Platform - Rates - UST, EGB/UKT & EUCORP Support [in progress]
ICELink - Clearing - Fix session not automatically reconnecting if rejected by venue [complete]

Library Changes

Price Contribution Protocol

Add new repeating group QuoteAction.venueSpecificData.instrumentLeg with legSymbol, legDelta and legNotionalNeutral

Post Trade Protocol

LifeCycleEvent.venueSpecificInfo.tradeReportId for GLMX
CancelTradeEvent.venueSpecificInfo.userId for GLMX

Clob Trading Protocol

Improve documentation for ICE Futures

Taker Protocol

Add Jane Street state machine diagram

eTrading Changes

On Demand Pricer Protocol

Add DISCOUNT_MARGIN and DISCOUNT_YIELD to price type enum

Historic Data Service Protocol

Add DISCOUNT_MARGIN and DISCOUNT_YIELD to price type enum

80.0.0+86703.a3f4d20 - 27/02/2026

Production Release - 07/03/2026

Service Changes

Bloomberg CDS - Click And Trade - Single Name & Outright Indices [complete]
Bloomberg CDS - Click And Trade - Rolls and Switch Indices [in progress]
Neptune - IOI [complete]
Bloomberg IRS - Update For New BSEF Block Trade Message Flow [complete]
Jane Street - Taker Trading [complete]
Outsourced Liquidity Solutions Business - Compressions - Compression support [complete]
eTrading Platform - Credit - TransACT support for Trumid List [complete]
eTrading Platform - Credit - yield trading support [complete]
eTrading Platform - Credit - quantity negotiation [in progress]
eTrading Platform - Credit - split benchmark and axe/positions details on ticket [complete]
MarketAxess Muni Taker - Inquiry - Spread NC List [complete]
MTS Repo Post Trade - [in progress]
MarketAxess IOI & MarketAxess Muni IOI - Throughput Limit Increase [complete]

Library Changes

Add venue enum MTS_REPO_POST_TRADE
Update state machine diagram for MarketAxess Muni Taker

Inquiry Protocol

Update documentation and validation for raising lists for MarketAxess Muni Taker (A2A support only, BIN quote reveal, and mandatory staged flag)
Populate event legs on all sent CustomerAcceptEvent, previously legs were missing in MTS BondVision, GLMX, Bloomberg Bonds MOC

Post Trade Protocol

Rename brokerageFee to brokerageFeeMarkup for Tradeweb IRS/DSWP/YSWP on TradeEvent.venueSpecificInfo

eTrading Changes

Reference Data Protocol

Add following fields to bond-instrument-data.json: calculationType, interestAccrualDate, firstSettleDate, firstCouponPaymentDate, coupon, couponFrequency, dayCount, called, maturityDate, nextCallDate, issueDate, isUsOnTheRun, whenIssued, standardSettlementPeriod, calendarCode

Historic Data Service Protocol

Add initialQuantity to leg.json to support dealer quantity countering
Add more values to quantity-negotiable.json
Add fields to inquiry-snapshot.json to: ticker, sector, group, issuer, amtOutstanding, moody, standardAndPoors, rdiCustom1

For Developers

93.0.0+95823.61b5a89 - 01/09/2026

Service Changes

Library Changes

Inquiry Protocol

Post Trade Protocol

Static Data Protocol

92.0.0-unstable.95152+794e37c- 17/08/2026

Service Changes

Library Changes

Market Data Protocol

Price Contribution Protocol

Bloomberg Toms Tradecapture Protocol

Inquiry Protocol

Post Trade Protocol

eTrading Changes

Inquiry Protocol

Historic Data Service Protocol

91.0.0+94222.a8575f7 - 28/07/2026

Service Changes

Library Changes

Post Trade Protocol

Inquiry Protocol

90.0.0+93588.44c71b4 - 11/07/2026

Service Changes

Library Changes

Multiple Protocols

Bloomberg Toms Tradecapture Protocol

Inquiry

Post Trade

89.0.0+92900.8dcab50 - 30/06/2026

Service Changes

Library Changes

Inquiry Schema

Ioi Contribution

Post Trade

Historic Data Service

88.0.0+92119.59fc1ff - 18/06/2026

Service Changes

Library Changes

Bloomberg Toms Tradecapture Protocol

Post Trade Protocol

Inquiry Protocol

Taker Inquiry Protocol

87.0.0+91093.05c7d26 - 03/06/2026

Service Changes

Library Changes

Inquiry Protocol

Post Trade Protocol

eTrading Changes

Historic Data Service Protocol

86.0.0+90521.a612956 - 22/05/2026

Service Changes

Library Changes

Inquiry Protocol

Taker Inquiry Protocol

Clob Trading Protocol

eTrading Changes

Inquiry Protocol

85.0.0+89779.307356c - 11/05/2026

Service Changes

Library Changes

Market Data Protocol

Inquiry Protocol

Post Trade Protocol

Clob Trading Protocol

eTrading Changes

Inquiry Protocol

Historic Data Service Protocol

84.0.0+88910.5d63bad - 22/04/2026

Service Changes

Library Changes

Inquiry Protocol

Static Data Protocol

Post Trade Protocol

Clob Trading Protocol

83.0.0+88324.9466638 - 08/04/2026

Service Changes

Library Changes

Price Contribution Protocol