Release date table of Android OS Developer Preview/Beta

 

Android OS version	15	14	13	12	11	10	9	8.1	8	7.1-7.1.1	7	6	5.1-5.1.1	5	4.4
Release Year	2024	2023	2022	2021	2020	2019	2018	2017	2017	2016	2016	2015		2014	2013
Name	Vanilla Ice Cream	Upside Down Cake	Tiramisu	Snow Cone	Red Velvet Cake	Quince Tart	Pie	Oreo	Oreo	Nougat	Nougat	Marshmallow		Lollipop	KitKat
API level	35	34	33	31	30	29	28	27	26	25	24	23	22	21	19
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)	---	3/21(DP1)	---	3/9(DP1)	---
Developer Preview 3	---	---	---	4/21	4/23	4/3(Beta2)	---	---	---	---	4/13(DP2)	---
Beta1	4/11	4/12	4/26	5/18	5/6(DP4)	5/7(Beta3)	5/8	10/25	5/17(DP2)	10/19	5/18(DP3)	5/28(DP)
Beta2	5/15	5/10	5/11	6/9	6/10(Beta1)	6/5(Beta4)	6/6	---	---	---	---	---
	---	---	---	7/14(Beta3)	---	---	---	---	---	---	---	7/9(DP2)
Beta3(Platform Stability)	6/18	6/7	6/8	8/11(Beta4)	7/8(Beta2)	7/10(Beta5)	7/2	---	6/8(DP3)	---	6/15(DP4)	8/17
Beta 4(Final Beta)	7/18	7/11	7/13	9/8(Beta5)	8/6(Beta3)	8/7(Beta6)	7/25	---	7/24(DP4)	---	7/18(DP5)	---
		8/10(Beta5)	---	---	---	---	---	---	---	---	---	---
Fina release to AOSP and ecosystem	9/3	10/4	8/15	10/4	9/8	9/3	8/6	12/5	8/21	12/5	8/22	10/5		2024/11/12?	10/31
Public Firmware for Pixel	10/15	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