Release date table of Android OS Developer Preview/Beta

 

Android OS version	15	14	13	12	11	10	9
Release Year	2024	2023	2022	2021	2020	2019	2018
Name	Vanilla Ice Cream	Upside Down Cake	Tiramisu	Snow Cone	Red Velvet Cake	Quince Tart	Pie
API level	35?	34	33	31	30	29	28
Developer Preview 1	2/16	2/8	2/10	2/18	2/19	---	---
Developer Preview 2	3/21	3/8	3/17	3/17	3/18	3/13(Beta1)	3/7(DP1)
Developer Preview 3	---	---	---	4/21	4/23	4/3(Beta2)	---
Beta1	4/11	4/12	4/26	5/18	5/6(DP4)	5/7(Beta3)	5/8
Beta2	May	5/10	5/11	6/9	6/10(Beta1)	6/5(Beta4)	6/6
	---	---	---	7/14(Beta3)	---	---	---
Beta3(Platform Stability)	June	6/7	6/8	8/11(Beta4)	7/8(Beta2)	7/10(Beta5)	7/2
Beta 4(Final Beta)	July	7/11	7/13	9/8(Beta5)	8/6(Beta3)	8/7(Beta6)	7/25
	Aug	8/10(Beta5)
Fina release to AOSP and ecosystem	3Q-4Q	10/4	8/15	10/4	9/8	9/3	8/6
Public Firmware for Pixel		10/4	8/15
():some old Android OSs(before 12) used different timeline name. So in (), Indicate release name.
February
March
April
May
June
July
August
September
October