What does this do?

[Dr. Doctor (inactive)]

I was looking around my replays today when I noticed this while mousing over a take.

I clicked it (it was originally a plus) and it changed to a minus. What exactly does this do? I'm very familiar with TF2, but I have no idea what this does.

EDIT: Added different picture.

 

[Shiznoe]

Could it have changed the size of it by any?

 

[Dr. Doctor (inactive)]

Could it have changed the size of it by any?

I thought so, but in one of the patch notes, there was something about a queue.

July 26, 2011 Patch

Client
Added basic/rough render queue for internal use to increase replay output for relaunch trailer
Block files are now deleted on replay reconstruction (i.e. viewing), to conserve disk space
Unneeded block files are now cleaned up automatically on startup
Server
Fixed fileserver cleanup
Any time replay_fileserver_offload_hostname is modified, the corresponding IP is resolved and cached, if possible. This fixes a crash, as well as failed publishing due to "unresolved hostname" errors.
Added a fileserver IP lookup test to replay publish test
Setting replay_enable to 0 now halts recording and does cleanup automatically, the way replay_stoprecord does. This fixes a crash that would occur when replay_enable was set to 0 and a changelevel was executed.
Replay temp directories automatically cleared on startup on both client and server
Memory management improvements

I'll try rendering it with the button as a minus and the button as a plus, but I don't think that'd be it.

 

[Whisker Biscuit]

If you add multiple replays to the queue (by clicking the +), you can render them all at once by going to the main replay menu and selecting save all at the top right.

 

[Dr. Doctor (inactive)]

If you add multiple replays to the queue (by clicking the +), you can render them all at once by going to the main replay menu and selecting save all at the top right.

You're sure that doesn't save EVERY SINGLE TAKE? Even the ones that aren't on the queue?