Wagtail 2.15.5 and 2.16.2 released

[Matthew Westcott]

Hi all,
Two new bugfix releases are now out - Wagtail 2.15.5 (for the 2.15 LTS series) and 2.16.2 (for the current 2.16 series):

https://docs.wagtail.org/en/stable/releases/2.15.5.html
https://docs.wagtail.org/en/stable/releases/2.16.2.html

For general upgrading instructions, see: https://docs.wagtail.org/en/stable/releases/upgrading.html

Cheers,
- Matt