I fail to see how this can be categorized as anything but a bug. Fine, so it is not a memory leak, but it still a bug. A behaviour that makes the chart repaint time go from ~10ms to ~10s after ~20 repaints is, well, buggy. I cannot see why any design desition could have introduced this strange behav...

Thanks, I didn't think of that. I'd still argue that the right line is one pixel too far to the right, but at least now it is not noticable

Hello, I noticed a pixel error in the way the bar pen is drawn. The following picture shows the case where I have two bars, one white and one gray. The white is behind the gray one, and it has a 1px black pen, whereas the gray doesn't have a pen. bar pen pixel issue.png As you can see, the line is d...

Hello, I noticed that if you have a teechart consisting of bars and you zoom to a rectangle in between these bars, no zooming is done (as there are no values there). This would be fine, but the zoom rectangle isn't cleard from the chart. Here is a screenshot after doing this 4 times. zoom bug.png Sh...

Hello again, I just installed the October release. I ran the exact same experiment and I got the same result, so the bug is still there. It has been several months now, and the bug is pretty severe (you cannot hide/show a series more than about 5 times or the whole application turns unusably slow in...