Based on discussions by Antonio and others in July 2018 on this thread:
...the proposal is to have a NetBeans release 4 times per year:
2018
- August 2018: Apache NetBeans (incubating) 9.0
- November 2018
- JDK 11 (September 2018)
- Integration of some/all of the features of the 2nd donation, i.e., Groovy, JavaScript, Java/Jakarta EE, PHP
- JDK 11 (September 2018)
2019
- February 2019
- May 2019
- August 2019
- November 2019
2020
- February 2020
- May 2020
- August 2020
- November 2020