LICENSEWARE
Contribute
Mozilla Product

Firefox

Firefox is a Mozilla product filed under Browsers. Lifecycle: versioned, 160 versions listed, latest 158.0 (13 Oct 2026).

Releases and Lifecycle

All Mozilla products

Release and support dates as published by Mozilla; dates within the next 12 months are highlighted, past dates dimmed. Retrieved 2026-10-14.

Firefox 160 versions

Release dates only; Mozilla's release data lists no end-of-support date per release.

VersionReleasedSource
158.0[1]
157.0[1]
156.0[1]
155.0[1]
154.0[1]
153.0[1]
152.0[1]
151.0[1]
150.0[1]
149.0[1]
148.0[1]
147.0[1]
146.0[1]
145.0[1]
144.0[1]
143.0[1]
142.0[1]
141.0[1]
140.0[1]
139.0[1]
138.0[1]
137.0[1]
136.0[1]
135.0[1]
134.0[1]
133.0[1]
132.0[1]
131.0[1]
130.0[1]
129.0[1]
128.0[1]
127.0[1]
126.0[1]
124.0[1]
123.0[1]
122.0[1]
121.0[1]
120.0[1]
119.0[1]
118.0[1]
117.0[1]
116.0[1]
115.0[1]
114.0[1]
113.0[1]
112.0[1]
111.0[1]
110.0[1]
109.0[1]
108.0[1]
107.0[1]
106.0[1]
105.0[1]
104.0[1]
103.0[1]
102.0[1]
101.0[1]
100.0[1]
99.0[1]
98.0[1]
97.0[1]
96.0[1]
95.0[1]
94.0[1]
93.0[1]
92.0[1]
91.0[1]
90.0[1]
89.0[1]
88.0[1]
87.0[1]
86.0[1]
85.0[1]
84.0[1]
83.0[1]
82.0[1]
81.0[1]
80.0[1]
79.0[1]
78.0[1]
77.0[1]
76.0[1]
75.0[1]
74.0[1]
73.0[1]
72.0[1]
71.0[1]
70.0[1]
69.0[1]
68.0[1]
67.0[1]
66.0[1]
65.0[1]
64.0[1]
63.0[1]
62.0[1]
61.0[1]
60.0[1]
59.0[1]
58.0[1]
57.0[1]
56.0[1]
55.0[1]
54.0[1]
53.0[1]
52.0[1]
51.0[1]
50.0[1]
49.0[1]
48.0[1]
47.0[1]
46.0[1]
45.0[1]
44.0[1]
43.0[1]
42.0[1]
41.0[1]
40.0[1]
39.0[1]
38.0[1]
37.0[1]
36.0[1]
35.0[1]
34.0[1]
33.1[1]
33.0[1]
32.0[1]
31.0[1]
30.0[1]
29.0[1]
28.0[1]
27.0[1]
26.0[1]
25.0[1]
24.0[1]
23.0[1]
22.0[1]
21.0[1]
20.0[1]
19.0[1]
18.0[1]
17.0[1]
16.0[1]
15.0[1]
13.0[1]
12.0[1]
11.0[1]
10.0[1]
9.0[1]
8.0[1]
7.0[1]
6.0[1]
5.0[1]
4.0[1]
3.6[1]
3.5[1]
3.0[1]
2.0[1]
1.5[1]
1.0[1]
Sources 1
  1. Mozilla product details: Firefox releases retrieved 2026-10-14

More from Mozilla

All 3 products
Esc