Has anyone noticed any performance improvements in MC after upgrading IQFeed to 6.2?

I believe 13 years later I'm seeing the same issue. Is this still a known issue and is there any workaround?

Thanks

I put VINT.Z which is the NYSE shares traded from DTN IQ into a chart to pull 1 minute data going back a couple years. While I see the chart for this which results in something with just price and no volume data, when I go into the quote manager and try to look at the data or export it, it doesn't s...