Unity, and ironSource,  a mobile publishing platform, have entered into a definitive agreement under which ironSource will merge into a wholly-owned subsidiary of Unity via an all-stock deal.

Intuit is acquiring Mailchimp for approximately $12 billion.

Okta has entered into a definitive agreement to acquire Auth0, an identity platform for application teams, for $6.5 billion.

AMD is acquiring FPGA and programmable SoCs company Xilinx, in an all-stock transaction valued at $35 billion.

Nvidia is acquiring Mellanox for approximately $6.9 billion.