0.26.0

Release notes

This version marks the release of DBN version 3 (DBNv3), which is the new default.
API methods and decoders support decoding all versions of DBN, but now default to
upgrading data to version 3.

Enhancements - Added From<DatasetRange> conversion for DateTimeRange

• Added is_last field to live subscription requests which will be used to improve the
  handling of split subscription requests
• Upgraded DBN version to 0.35.0:
  • Version 1 and 2 structs can be converted to version 3 structs with the From trait
  • Implemented conversion from RecordRef to IoSlice for use with
    Write::write_vectored

Breaking changes

• Breaking changes from DBN:
  • Definition schema:
    • Updated InstrumentDefMsg with new leg_ fields to support multi-leg strategy
      definitions.
    • Expanded asset to 11 bytes and ASSET_CSTR_LEN to match
    • Expanded raw_instrument_id to 64 bits to support more venues. Like other 64-bit
      integer fields, its value will now be quoted in JSON
    • Removed trading_reference_date, trading_reference_price, and
      settl_price_type fields which will be normalized in the statistics schema
    • Removed md_security_trading_status better served by the status schema
  • Statistics schema:
    • Updated StatMsg has an expanded 64-bit quantity field. Like other 64-bit
      integer fields, its value will now be quoted in JSON
    • The previous StatMsg has been moved to v2::StatMsg or StatMsgV2
  • Changed the default VersionUpgradePolicy to UpgradeToV3
  • Updated the minimum supported tokio version to 1.38, which was released one year ago