ISS released its FINAL U.S. Compensation Policies FAQs for 2019 on December 14, 2018:
https://www.issgovernance.com/file/policy/latest/americas/US-Compensation-Policies-FAQ.pdf
ISS released its U.S. Equity Compensation Plans FAQs for 2019 on December 19, 2018:
https://www.issgovernance.com/file/policy/latest/americas/US-Equity-Compensation-Plans-FAQ.pdf
The Equity Compensation FAQs also include the ISS Burn Rate Benchmarks for 2019 in the Appendix.
I will summarize the above FAQs and post an updated Equity Usage
Calculator shortly.