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

Whew! That's a lot of Firefoxen!