2.6.9-1 -> 2.6.10-1: Upstream Update

2.6.7-1 -> 2.6.9-1: Upstream Update Note: You should migrate to legacy (https://aur.archlinux.org/packages/mongo-cxx-driver-legacy/) as soon as possible.

2.6.6-1 -> 2.6.7-1: Upstream Update

2.6.5-1 -> 2.6.6-1: Upstream Update

No, not for AUR-packages.

@monty: yes, and usually packagers increase pkgrel so that the users who already installed it are notified.

? You just have to rebuild the package after installing boost 1.57.

A new release is needed for Boost 1.57.

2.6.4-1 -> 2.6.5-1: Upstream Update

2.6.3-1 -> 2.6.4-1: Removed '--use-system-tcmalloc' as support for tcmalloc got removed from 26compat