Is your feature request related to a problem? Please describe.
When working with a big piece of text, I sometimes scroll down and copy some text into another tab. When switching back to the first tab, both the input and the output pane is back on top. So I don't know where I was working just now.

Describe the solution you'd like
After tab switching, scroll position should be remembere

Selecting a column from a dataframe returns a Series, but the .str accessor does not work. For example running the following:

data = { "Name": ["Apples", "App", "Banana", undefined],
            "Count": [NaN, 5, NaN, 10] ,
            "Price": [200, 300, 40, 250] }

df = new dfd.DataFrame(data)
name_sf = df.column("Name")
name_sf.str.startsWith("App")

gives the fol

Anki shortens filenames that are too long in the latest versions, but only when a user runs Check Media. If they have already created a repo using Brain Brew then their old media will still be there. Seems to me there are a few issues here:

Warn users about long filenames

Make sure people are not caught out by this by detecting when a media filename is too long. Then users know what to do