Firefox release notes for developers

Below you'll find links to the developer release notes for every Firefox release. These lovingly-crafted notes provide details on what features and APIs were added and improved and what bugs were eliminated in each version of Firefox. All written to give developers like you the information they need most. You're welcome.

1. Firefox 160 (Nightly)
2. Firefox 159 (Beta)
3. Firefox 158 (Stable)
4. Firefox 157
5. Firefox 156
6. Firefox 155
7. Firefox 154
8. Firefox 153
9. Firefox 152
10. Firefox 151
11. Firefox 150
12. Firefox 149
13. Firefox 148
14. Firefox 147
15. Firefox 146
16. Firefox 145
17. Firefox 144
18. Firefox 143
19. Firefox 142
20. Firefox 141
21. Firefox 140
22. Firefox 139
23. Firefox 138
24. Firefox 137
25. Firefox 136
26. Firefox 135
27. Firefox 134
28. Firefox 133
29. Firefox 132
30. Firefox 131
31. Firefox 130
32. Firefox 129
33. Firefox 128
34. Firefox 127
35. Firefox 126
36. Firefox 125
37. Firefox 124
38. Firefox 123
39. Firefox 122
40. Firefox 121
41. Firefox 120
42. Firefox 119
43. Firefox 118
44. Firefox 117
45. Firefox 116
46. Firefox 115
47. Firefox 114
48. Firefox 113
49. Firefox 112
50. Firefox 111
51. Firefox 110
52. Firefox 109
53. Firefox 108
54. Firefox 107
55. Firefox 106
56. Firefox 105
57. Firefox 104
58. Firefox 103
59. Firefox 102
60. Firefox 101
61. Firefox 100
62. Firefox 99
63. Firefox 98
64. Firefox 97
65. Firefox 96
66. Firefox 95
67. Firefox 94
68. Firefox 93
69. Firefox 92
70. Firefox 91
71. Firefox 90
72. Firefox 89
73. Firefox 88
74. Firefox 87
75. Firefox 86
76. Firefox 85
77. Firefox 84
78. Firefox 83
79. Firefox 82
80. Firefox 81
81. Firefox 80
82. Firefox 79
83. Firefox 78
84. Firefox 77
85. Firefox 76
86. Firefox 75
87. Firefox 74
88. Firefox 73
89. Firefox 72
90. Firefox 71
91. Firefox 70
92. Firefox 69
93. Firefox 68
94. Firefox 67
95. Firefox 66
96. Firefox 65
97. Firefox 64
98. Firefox 63
99. Firefox 62
100. Firefox 61
101. Firefox 60
102. Firefox 59
103. Firefox 58
104. Firefox 57
105. Firefox 56
106. Firefox 55
107. Firefox 54
108. Firefox 53
109. Firefox 52
110. Firefox 51
111. Firefox 50
112. Firefox 49
113. Firefox 48
114. Firefox 47
115. Firefox 46
116. Firefox 45
117. Firefox 44
118. Firefox 43
119. Firefox 42
120. Firefox 41
121. Firefox 40
122. Firefox 39
123. Firefox 38
124. Firefox 37
125. Firefox 36
126. Firefox 35
127. Firefox 34
128. Firefox 33
129. Firefox 32
130. Firefox 31
131. Firefox 30
132. Firefox 29
133. Firefox 28
134. Firefox 27
135. Firefox 26
136. Firefox 25
137. Firefox 24
138. Firefox 23
139. Firefox 22
140. Firefox 21
141. Firefox 20
142. Firefox 19
143. Firefox 18
144. Firefox 17
145. Firefox 16
146. Firefox 15
147. Firefox 14
148. Firefox 13
149. Firefox 12
150. Firefox 11
151. Firefox 10
152. Firefox 9
153. Firefox 8
154. Firefox 7
155. Firefox 6
156. Firefox 5
157. Firefox 4
158. Firefox 3.6
159. Firefox 3.5
160. Firefox 3
161. Firefox 2
162. Firefox 1.5

Whew! That's a lot of Firefoxen!