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

Whew! That's a lot of Firefoxen!