Firefox Releases

Firefox release notes are specific to each version of the application. Select your version from the list below to see the release notes for it.

1. 143.0
   1. 143.0.1
   2. 143.0.3
   3. 143.0.4
2. 142.0
   1. 142.0.1
3. 141.0
   1. 141.0.2
   2. 141.0.3
4. 140.0
   1. 140.0.1
   2. 140.0.2
   3. 140.0.4
   4. 140.1.0
   5. 140.2.0
   6. 140.3.0
   7. 140.3.1
5. 139.0
   1. 139.0.1
   2. 139.0.4
6. 138.0
   1. 138.0.1
   2. 138.0.3
   3. 138.0.4
7. 137.0
   1. 137.0.1
   2. 137.0.2
8. 136.0
   1. 136.0.1
   2. 136.0.2
   3. 136.0.3
   4. 136.0.4
9. 135.0
   1. 135.0.1
10. 134.0
    1. 134.0.1
    2. 134.0.2
11. 133.0
    1. 133.0.3
12. 132.0
    1. 132.0.1
    2. 132.0.2
13. 131.0
    1. 131.0.2
    2. 131.0.3
14. 130.0
    1. 130.0.1
15. 129.0
    1. 129.0.1
    2. 129.0.2
16. 128.0
    1. 128.0.2
    2. 128.0.3
    3. 128.1.0
    4. 128.2.0
    5. 128.3.0
    6. 128.3.1
    7. 128.4.0
    8. 128.5.0
    9. 128.5.1
    10. 128.5.2
    11. 128.6.0
    12. 128.7.0
    13. 128.8.0
    14. 128.8.1
    15. 128.9.0
    16. 128.10.0
    17. 128.10.1
    18. 128.11.0
    19. 128.12.0
    20. 128.13.0
    21. 128.14.0
17. 127.0
    1. 127.0.1
    2. 127.0.2
18. 126.0
    1. 126.0.1
19. 125.0.1
    1. 125.0.2
    2. 125.0.3
20. 124.0
    1. 124.0.1
    2. 124.0.2
21. 123.0
    1. 123.0.1
22. 122.0
    1. 122.0.1
23. 121.0
    1. 121.0.1
24. 120.0
    1. 120.0.1
25. 119.0
    1. 119.0.1
26. 118.0
    1. 118.0.1
    2. 118.0.2
27. 117.0
    1. 117.0.1
28. 116.0
    1. 116.0.1
    2. 116.0.2
    3. 116.0.3
29. 115.0
    1. 115.0.1
    2. 115.0.2
    3. 115.0.3
    4. 115.1.0
    5. 115.2.0
    6. 115.2.1
    7. 115.3.0
    8. 115.3.1
    9. 115.4.0
    10. 115.5.0
    11. 115.6.0
    12. 115.7.0
    13. 115.8.0
    14. 115.9.0
    15. 115.9.1
    16. 115.10.0
    17. 115.11.0
    18. 115.12.0
    19. 115.13.0
    20. 115.14.0
    21. 115.15.0
    22. 115.16.0
    23. 115.16.1
    24. 115.17.0
    25. 115.18.0
    26. 115.19.0
    27. 115.20.0
    28. 115.21.0
    29. 115.21.1
    30. 115.22.0
    31. 115.23.0
    32. 115.23.1
    33. 115.24.0
    34. 115.25.0
    35. 115.26.0
    36. 115.27.0
    37. 115.28.0
30. 114.0
    1. 114.0.1
    2. 114.0.2
31. 113.0
    1. 113.0.1
    2. 113.0.2
32. 112.0
    1. 112.0.1
    2. 112.0.2
33. 111.0
    1. 111.0.1
34. 110.0
    1. 110.0.1
35. 109.0
    1. 109.0.1
36. 108.0
    1. 108.0.1
    2. 108.0.2
37. 107.0
    1. 107.0.1
38. 106.0
    1. 106.0.1
    2. 106.0.2
    3. 106.0.3
    4. 106.0.4
    5. 106.0.5
39. 105.0
    1. 105.0.1
    2. 105.0.2
    3. 105.0.3
40. 104.0
    1. 104.0.1
    2. 104.0.2
41. 103.0
    1. 103.0.1
    2. 103.0.2
42. 102.0
    1. 102.0.1
    2. 102.1.0
    3. 102.2.0
    4. 102.3.0
    5. 102.4.0
    6. 102.5.0
    7. 102.6.0
    8. 102.7.0
    9. 102.8.0
    10. 102.9.0
    11. 102.10.0
    12. 102.11.0
    13. 102.12.0
    14. 102.13.0
    15. 102.14.0
    16. 102.15.0
    17. 102.15.1
43. 101.0
    1. 101.0.1
44. 100.0
    1. 100.0.1
    2. 100.0.2
45. 99.0
    1. 99.0.1
46. 98.0
    1. 98.0.1
    2. 98.0.2
47. 97.0
    1. 97.0.1
    2. 97.0.2
48. 96.0
    1. 96.0.1
    2. 96.0.2
    3. 96.0.3
49. 95.0
    1. 95.0.1
    2. 95.0.2
50. 94.0
    1. 94.0.1
    2. 94.0.2
51. 93.0
52. 92.0
    1. 92.0.1
53. 91.0
    1. 91.0.1
    2. 91.0.2
    3. 91.1.0
    4. 91.2.0
    5. 91.3.0
    6. 91.4.0
    7. 91.4.1
    8. 91.5.0
    9. 91.5.1
    10. 91.6.0
    11. 91.6.1
    12. 91.7.0
    13. 91.7.1
    14. 91.8.0
    15. 91.9.0
    16. 91.9.1
    17. 91.10.0
    18. 91.11.0
    19. 91.12.0
    20. 91.13.0
54. 90.0
    1. 90.0.1
    2. 90.0.2
55. 89.0
    1. 89.0.1
    2. 89.0.2
56. 88.0
    1. 88.0.1
57. 87.0
58. 86.0
    1. 86.0.1
59. 85.0
    1. 85.0.1
    2. 85.0.2
60. 84.0
    1. 84.0.1
    2. 84.0.2
61. 83.0
62. 82.0
    1. 82.0.1
    2. 82.0.2
    3. 82.0.3
63. 81.0
    1. 81.0.1
    2. 81.0.2
64. 80.0
    1. 80.0.1
65. 79.0
66. 78.0
    1. 78.0.1
    2. 78.0.2
    3. 78.1.0
    4. 78.2.0
    5. 78.3.0
    6. 78.3.1
    7. 78.4.0
    8. 78.4.1
    9. 78.5.0
    10. 78.6.0
    11. 78.6.1
    12. 78.7.0
    13. 78.7.1
    14. 78.8.0
    15. 78.9.0
    16. 78.10.0
    17. 78.10.1
    18. 78.11.0
    19. 78.12.0
    20. 78.13.0
    21. 78.14.0
    22. 78.15.0
67. 77.0
    1. 77.0.1
68. 76.0
    1. 76.0.1
69. 75.0
70. 74.0
    1. 74.0.1
71. 73.0
    1. 73.0.1
72. 72.0
    1. 72.0.1
    2. 72.0.2
73. 71.0
74. 70.0
    1. 70.0.1
75. 69.0
    1. 69.0.1
    2. 69.0.2
    3. 69.0.3
76. 68.0
    1. 68.0.1
    2. 68.0.2
    3. 68.1.0
    4. 68.2.0
    5. 68.3.0
    6. 68.4.0
    7. 68.4.1
    8. 68.4.2
    9. 68.5.0
    10. 68.6.0
    11. 68.6.1
    12. 68.7.0
    13. 68.8.0
    14. 68.9.0
    15. 68.10.0
    16. 68.11.0
    17. 68.12.0
77. 67.0
    1. 67.0.1
    2. 67.0.2
    3. 67.0.3
    4. 67.0.4
78. 66.0
    1. 66.0.1
    2. 66.0.2
    3. 66.0.3
    4. 66.0.4
    5. 66.0.5
79. 65.0
    1. 65.0.1
    2. 65.0.2
80. 64.0
    1. 64.0.2
81. 63.0
    1. 63.0.1
    2. 63.0.3
82. 62.0
    1. 62.0.2
    2. 62.0.3
83. 61.0
    1. 61.0.1
    2. 61.0.2
84. 60.0
    1. 60.0.1
    2. 60.0.2
    3. 60.1.0
    4. 60.2.0
    5. 60.2.1
    6. 60.2.2
    7. 60.3.0
    8. 60.4.0
    9. 60.5.0
    10. 60.5.1
    11. 60.5.2
    12. 60.6.0
    13. 60.6.1
    14. 60.6.2
    15. 60.6.3
    16. 60.7.0
    17. 60.7.1
    18. 60.7.2
    19. 60.8.0
    20. 60.9.0
85. 59.0
    1. 59.0.1
    2. 59.0.2
    3. 59.0.3
86. 58.0
    1. 58.0.1
    2. 58.0.2
87. 57.0
    1. 57.0.1
    2. 57.0.2
    3. 57.0.3
    4. 57.0.4
88. 56.0
    1. 56.0.1
    2. 56.0.2
89. 55.0
    1. 55.0.1
    2. 55.0.2
    3. 55.0.3
90. 54.0
    1. 54.0.1
91. 53.0
    1. 53.0.2
    2. 53.0.3
92. 52.0
    1. 52.0.1
    2. 52.0.2
    3. 52.1.0
    4. 52.1.1
    5. 52.1.2
    6. 52.2.0
    7. 52.2.1
    8. 52.3.0
    9. 52.4.0
    10. 52.4.1
    11. 52.5.0
    12. 52.5.2
    13. 52.5.3
    14. 52.6.0
    15. 52.7.0
    16. 52.7.1
    17. 52.7.2
    18. 52.7.3
    19. 52.7.4
    20. 52.8.0
    21. 52.8.1
    22. 52.9.0
93. 51.0
    1. 51.0.1
94. 50.0
    1. 50.0.1
    2. 50.0.2
    3. 50.1.0
95. 49.0
    1. 49.0.1
    2. 49.0.2
96. 48.0
    1. 48.0.1
    2. 48.0.2
97. 47.0
    1. 47.0.1
    2. 47.0.2
98. 46.0
    1. 46.0.1
99. 45.0
    1. 45.0.1
    2. 45.0.2
    3. 45.1.1
    4. 45.2.0
    5. 45.3.0
    6. 45.4.0
    7. 45.5.0
    8. 45.5.1
    9. 45.6.0
    10. 45.7.0
    11. 45.8.0
    12. 45.9.0
100. 44.0
     1. 44.0.1
     2. 44.0.2
101. 43.0
     1. 43.0.1
     2. 43.0.2
     3. 43.0.3
     4. 43.0.4
102. 42.0
103. 41.0
     1. 41.0.1
     2. 41.0.2
104. 40.0
     1. 40.0.2
     2. 40.0.3
105. 39.0
     1. 39.0.3
106. 38.0
     1. 38.0.1
     2. 38.0.5
     3. 38.1.0
     4. 38.1.1
     5. 38.2.0
     6. 38.2.1
     7. 38.3.0
     8. 38.4.0
     9. 38.5.0
     10. 38.5.1
     11. 38.5.2
     12. 38.6.0
     13. 38.6.1
     14. 38.7.0
     15. 38.7.1
     16. 38.8.0
107. 37.0
     1. 37.0.1
     2. 37.0.2
108. 36.0
     1. 36.0.1
     2. 36.0.3
     3. 36.0.4
109. 35.0
     1. 35.0.1
110. 34.0
     1. 34.0.5
111. 33.1
     1. 33.1.1
112. 33.0
     1. 33.0.1
     2. 33.0.2
     3. 33.0.3
113. 32.0
     1. 32.0.1
     2. 32.0.2
     3. 32.0.3
114. 31.0
     1. 31.1.0
     2. 31.1.1
     3. 31.2.0
     4. 31.3.0
     5. 31.4.0
     6. 31.5.0
     7. 31.5.2
     8. 31.5.3
     9. 31.6.0
     10. 31.7.0
     11. 31.8.0
115. 30.0
116. 29.0
     1. 29.0.1
117. 28.0
118. 27.0
     1. 27.0.1
119. 26.0
120. 25.0
     1. 25.0.1
121. 24.0
     1. 24.1.0
     2. 24.1.1
     3. 24.2.0
     4. 24.3.0
     5. 24.4.0
     6. 24.5.0
     7. 24.6.0
     8. 24.7.0
     9. 24.8.0
     10. 24.8.1
122. 23.0
     1. 23.0.1
123. 22.0
124. 21.0
125. 20.0
     1. 20.0.1
126. 19.0
     1. 19.0.1
     2. 19.0.2
127. 18.0
     1. 18.0.1
     2. 18.0.2
128. 17.0
     1. 17.0.1
     2. 17.0.2
     3. 17.0.3
     4. 17.0.4
     5. 17.0.5
     6. 17.0.6
     7. 17.0.7
     8. 17.0.8
     9. 17.0.9
     10. 17.0.10
     11. 17.0.11
129. 16.0
     1. 16.0.1
     2. 16.0.2
130. 15.0
     1. 15.0.1
131. 14.0.1
132. 13.0
     1. 13.0.1
133. 12.0
134. 11.0
135. 10.0
     1. 10.0.1
     2. 10.0.2
     3. 10.0.3
     4. 10.0.4
     5. 10.0.5
     6. 10.0.6
     7. 10.0.7
     8. 10.0.8
     9. 10.0.9
     10. 10.0.10
     11. 10.0.11
     12. 10.0.12
136. 9.0
     1. 9.0.1
137. 8.0
     1. 8.0.1
138. 7.0
     1. 7.0.1
139. 6.0
     1. 6.0.1
     2. 6.0.2
140. 5.0
     1. 5.0.1
141. 4.0
     1. 4.0.1
142. 3.6
     1. 3.6.2
     2. 3.6.3
     3. 3.6.4
     4. 3.6.6
     5. 3.6.7
     6. 3.6.8
     7. 3.6.9
     8. 3.6.10
     9. 3.6.11
     10. 3.6.12
     11. 3.6.13
     12. 3.6.14
     13. 3.6.15
     14. 3.6.16
     15. 3.6.17
     16. 3.6.18
     17. 3.6.19
     18. 3.6.20
     19. 3.6.21
     20. 3.6.22
     21. 3.6.23
     22. 3.6.24
     23. 3.6.25
     24. 3.6.26
     25. 3.6.27
     26. 3.6.28
143. 3.5
     1. 3.5.1
     2. 3.5.2
     3. 3.5.3
     4. 3.5.4
     5. 3.5.5
     6. 3.5.6
     7. 3.5.7
     8. 3.5.8
     9. 3.5.9
     10. 3.5.10
     11. 3.5.11
     12. 3.5.12
     13. 3.5.13
     14. 3.5.14
     15. 3.5.15
     16. 3.5.16
     17. 3.5.17
     18. 3.5.18
     19. 3.5.19
144. 3.0
     1. 3.0.1
     2. 3.0.2
     3. 3.0.3
     4. 3.0.4
     5. 3.0.5
     6. 3.0.6
     7. 3.0.7
     8. 3.0.8
     9. 3.0.9
     10. 3.0.10
     11. 3.0.11
     12. 3.0.12
     13. 3.0.13
     14. 3.0.14
     15. 3.0.15
     16. 3.0.16
     17. 3.0.17
     18. 3.0.18
     19. 3.0.19
145. 2.0
     1. 2.0.0.1
     2. 2.0.0.2
     3. 2.0.0.3
     4. 2.0.0.4
     5. 2.0.0.5
     6. 2.0.0.6
     7. 2.0.0.7
     8. 2.0.0.8
     9. 2.0.0.9
     10. 2.0.0.10
     11. 2.0.0.11
     12. 2.0.0.12
     13. 2.0.0.13
     14. 2.0.0.14
     15. 2.0.0.15
     16. 2.0.0.16
     17. 2.0.0.17
     18. 2.0.0.18
     19. 2.0.0.19
     20. 2.0.0.20
146. 1.5
     1. 1.5.0.1
     2. 1.5.0.2
     3. 1.5.0.3
     4. 1.5.0.4
     5. 1.5.0.5
     6. 1.5.0.6
     7. 1.5.0.7
     8. 1.5.0.8
     9. 1.5.0.9
     10. 1.5.0.10
     11. 1.5.0.11
     12. 1.5.0.12
147. 1.0
     1. 1.0.1
     2. 1.0.2
     3. 1.0.3
     4. 1.0.4
     5. 1.0.5
     6. 1.0.6
     7. 1.0.7
     8. 1.0.8
148. 0.1
     1. 0.2
     2. 0.3
     3. 0.4
     4. 0.5
     5. 0.6
     6. 0.6.1
     7. 0.7
     8. 0.7.1
     9. 0.8
     10. 0.9
     11. 0.9.1/0.9.2
     12. 0.9.3
     13. 1.0 Preview Release