Merge branch 'snap-to-grid' into testing

Comment change.

Merge branch 'gop-redrect-n-scalars-regression' into 2.15.3_rc

With zexy fixed on mingw64, revert external-tests.pd to what it was b…

…efore rev. 2f3c815.

Merge branch 'dropdown-size' into release_2.15.1

Merge branch 'aggraef/purr-data-release_2.15.0'

Merge branch 'aggraef/purr-data-dpkg-config'

Merge branch 'aggraef/purr-data-help-browser-fixes'

Merge branch 'guillembartrina/purr-data-feature-dirtyvisualmarkings'

quick bugfix to remove unnecessary complexity that caused memory error