Apt 1.4 requires Sha2 at minimun

[paxmark1]

Via PlanetDebian       https://juliank.wordpress.com/2016/11/26/starting-the-faster-more-secure-apt-1-4-series/

Should have very little impact, but if a ppa should start to be non-responsive in the future, usage of moldy, oldy sha1 might be the culprit.

Peace out.