Release Notes – IQFeed

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IQFeed v6.2.1.29 – 2025/09/30

October 2, 2025 Reading Time: 3 minutes

Changes since the last Release Click on title above to see all the changes in this release.

IQFeed v6.0.0.1 – 2018/03/27

Last Updated on: January 18, 2021 Reading Time: < 1 minute

Changes that will impact develoment: 6.0 Protocol added to all socket types COM functionality will be maintained for protocols 5.2 and earlier, but will not receive future updates History interval requests using the 6.0 protocol now use the time at the beginning of the interval for their labels as opposed to the end. A parameter