All major web browsers (Chrome, Edge, Internet Explorer, Firefox, and Safari) have already disabled TLS 1.0 and TLS 1.1. Most modern programming languages have support for TLS 1.2.
Integrations written in Java 6 and Python 2.6 do not have TLS 1.2 support.
- Recommendations for Secure Use of Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS): https://tools.ietf.org/html/rfc7525
- Modernizing Transport Security: https://security.googleblog.com/2018/10/modernizing-transport-security.html
- Enable TLS 1.2 on Clients (Microsoft)
- Enabling TLS 1.2 in .NET
- Stripe guide for upgrading OpenSSL to TLS 1.2