[JadoJodo]

"Delete no longer needed temporary containers 15 minutes after the last tab in it closes" is a default setting. This is not an issue I've experienced in the 3+ months I've been using this extension.

Are you sure you didn't accidentally change it?

[aendruk]

I don't know what, but something causes it to leak. I've been using it for about a year and several of the low numbered containers have accumulated duplicates:

Edit: Apparently HN strips box drawing characters. Imagine the output of `sparklines 6 15 7 5 2 1 1 4 3 1 1 1 1 1 1 1`.

[bigbubba]

I can confirm what others are saying, using temporary containers with the default settings left me with hundreds of containers to clean up.

[smichel17]

I don't remember what the default settings are, but I do remember changing a fair number of them (and they are numerous). Definitely not the most friendly tool to casual use. But when fully configured, it is my second favorite addon (behind uMatrix).

[seedcrust]

I had the same issue and this was always enabled