This library is frequently updated and as part of our code maintenance, we should periodically sync up.
We're currently using:
PDF reports are not tested, so a manual test of a PDF report including all Piwik reports is important to QA before signing off the update.
Also we have some modifications in the lib: https://github.com/piwik/piwik/blob/master/libs/README_LIBS
It would be nice to update, but I propose to create a ticket only if the update must be done (ie. security fix). Of course anyone is welcome to update TCPDF and submit patch.
Milestone 1.8.x Piwik 1.8.x deleted