I've created a proposal for an OMC support and Stability Policy here:
https://github.com/openssl/general-policies/pull/3This is intended to be complementary to the OTC's Stable Release Update's Policy currently in review here:
https://github.com/openssl/technical-policies/pull/8The contents of the proposed policy is just existing text pulled from this page (with some minor editorial tweaks):
https://www.openssl.org/policies/releasestrat.html Matt
