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

Whew! That's a lot of Firefoxen!