The following talks have been given about glibc:
Linux Foundation Collaboration Summit 2012 - "The Future of the GNU C Library"
- Talk given by Carlos O'Donell and Roland McGrath. 
Linux Foundation Collaboration Summit 2013 - "The GNU C Library - That thing between you and your goal..."
- Talk given by Carlos O'Donell and Roland McGrath. 
- Given at the Linux Foundation Collaboration Summit on 2013-04-16
- Youtube of the talk here: https://www.youtube.com/watch?v=BKpWmM-dD8E 
Linux Foundation Collaboration Summit 2014 - "The GNU C Library - What next?"
- Talk given by Roland McGrath and Carlos O'Donell. 
- Given at the Linux Foundataion Collaboration Summit on 2014-03-28
Red Hat Czech - "glibc network name resolution issues, solutions and alternatives"
- Talk given by Pavel Simerda
- Youtube of the talk here on the Red Hat Czech channel: https://www.youtube.com/watch?v=4HeioZP0VEQ 
Linux Foundation Collaboration Summit 2015 - "The GNU C Library Update!"
- Talk given by Roland McGrath, slides mostly by Carlos O'Donell. 
- Given at the Linux Foundataion Collaboration Summit on 2015-02-19
GNU Tools Cauldron 2016 - Whole-system tracing: The malloc API - GNU Tools Cauldron 2016
GNU Tools Cauldron 2018 - The GNU C Library BoF - GNU Tools Cauldron 2018
GNU Tools Cauldron 2019 - The GNU C Library BoF - GNU Tools Cauldron 2019