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dxFeed/QDS 3.203 has been released

dxFeed/QDS 3.203 has been released to public.
Available at:

Build 3.203 introduces a number of changes since the last public build 3.200, in preparation to the upcoming 3.230+ public releases.

Summary of changes in build 3.203: 

** Defect Report

QD-714 History snapshot mode is not activated when initial data was without snapshot begin flag
QD-718 NullPointerException in AbstractIndexedEventModel
QD-721 QDS Post Tool does not support event flags
QD-727 BUG FIX: IllegalArgumentException in CheckedTreeSimpleTest
QD-730 RecordBuffer maxObFields tracking optimization is broken
QD-737 dxFeedAPI OrderBookModel hang/NPE in CheckedTreeList
QD-738 dxFeed REST API shall support comma-separated as well as repeated query parameters
QD-740 Tools: Sending data via pipe to post tool fails.
QD-750 Dynamic IPF filters: memory leak
QD-758 RecordBuffer.compact does not always properly cleans up
QD-765 Cannot receive data when connecting using 3rd party scheme to dxFeed scheme
QD-767 dxFeed REST API eventSource fails to create session sometimes
QD-769 Tools: Instruments tool shall fill TRADING_HOURS field for created products.
** Change Request
QD-387 Use record description from receiving data distributor to send only fields that are present in the scheme on the receiving side
QD-679 dxFeed REST API shall have auto-generated human-readable documentation
QD-681 dxFeed REST service demo shall provide links to event documentation
QD-713 dxlib: update gzip mime type and move utility classes to public package
QD-716 Support specifying time when subscription is set with dxfeed.qd.subscribe.history
QD-717 Transforms shall warn on use of undeclared variables
QD-720 History Snapshot protocol shall include SNAPSHOT_SNIP flag for compatibility with HistorySubscriptionFilter
QD-724 Tools: Instruments tool shall support transheader command in scripts
QD-725 Add methods to transform single InstrumentProfile
QD-726 Tools: Instruments tool shall support multi-line transforms command in scripts
QD-729 Tools: Instruments tool shall support transform performance option.
QD-731 Support ":" character in qd symbol patterns without additional escaping
QD-733 Tools: Collector option in tools shall support storeEverything mode for history contract.
QD-734 IPF: New transform functions to quickly check symbol category.
QD-735 dxFeed REST API shall support Server-Sent Events EventSource
QD-741 IPF: Support multiple labels in switch statement.
QD-742 Introduce RecordSource.VOID constant
QD-746 dxFeed REST API shall have option to create a session and change its subscription
QD-748 IPF: Support IPF files in in and notin expressions.
QD-749 OrderBookModel shall work correctly with tape files without SNAPSHOT_END flags
QD-751 dxFeed API: Introduce OrderBookModel.addListener, clean up flags, and improve JavaDoc
QD-752 dxFeed API: Add HighLimitPrice and LowLimitPrice to Profile event and record.
QD-753 Support wildcard pattern in any place of symbol filter
QD-756 dxFeed API CandleSymbol shall include documentation on its string representation
QD-757 CollectorMXBean shall print eventFlags in reportData, introduce reportSubscription, and support wildcard
QD-759 Schedule: add last modification date to default properties
QD-764 Synchronize iterations on the results of System.getProperties
** Improvement
QD-732 dxFeed webservice: Migrate to CometD 3.0.4, works with Servlet 3.0+JSR 356 containers (Jetty 9, Tomcat 8)
QD-755 IPF: Add COMPLETED state to InstrumentProfileConnection



dxFeed JavaScript API and HTML widgets are now available

For easy and seamless integration of market data with web-based projects dxFeed now provides native JavaScript API and a number of ready-made widgets reducing the task of web-display of market data to designing html elements and binding them to data fields — in a few lines of code.

We run sample demo feed to try out our API with delayed data and limited subscription for testing the technology:

dxFeed Live Sample

Symbol Description Last Bid Ask Open Low High Volume Change Chg % Updated
AAPLApple Inc
CSCOCisco Systems Inc
GOOGGoogle Inc
INTCIntel Corporation
MSFTMicrosoft Corporation
AXPAmerical Express
BACBank of America
PFEPfizer Inc
XOMExxon Mobil
$ADVNNYSE Advancing
$DECNNYSE Declining
$UNCNNYSE Unchanged
Limited demo display. Data delayed at least 15 min. See disclaimer.
Powered by dxFeed JavaScript API.
Contact us to discuss your market data needs.

dxFeed Daily Chart Sample

Limited demo display. Data delayed at least 15 min. See disclaimer.
Powered by dxFeed JavaScript API.
Contact us to discuss your market data needs.

Please contact us for more information on dxFeed JavaScript API.