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

Whew! That's a lot of Firefoxen!