My former employer (major exchange) switched from Parity / Openethereum after the last major issue. The Parity devs gave it up when they switched to focusing on

My former employer (major exchange) switched from Parity / Openethereum after the last major issue. The Parity devs gave it up when they switched to focusing on Polkadot and the community is not super committed to it. Geth is the safer choice.