Both Mozilla and Google have made the move much earlier than expected.
Unfortunately, SHA-1 certificates are not the only feature that browsers will remove in the near future.
This aligns with timelines for Microsoft Edge and Mozilla Firefox.
In particular, we recommend that most sites support TLS 1.2 and prioritize the ECDHE_RSA_WITH_AES_128_GCM cipher suite.
We also encourage site operators to use tools like the SSL Labs server test and Mozillas SSL Configuration Generator.
Websites that have a SHA-1-based signature will begin to trigger a fatal online grid error.
SHA-1 offers several security measures over its predecessor.
source: www.techworm.net
