Upcoming Firefox release milestones

January 2023
SMTWTFS
1
2
3
4
5
6
7
8
9
10
11
12
110 soft Code Freeze starts at 08:00 UTC
13
String Freeze
14
15
16
Merge day
110 b1 GTB
Nightly 111 starts
17
110 b2 GTB
18
19
110 b3 GTB
20
User affecting changes provided to SUMO
21
22
110 b4 GTB
23
24
110 b5 GTB
25
26
110 b6 GTB
27
28
29
110 b7 GTB
30
SUMO content localization starts
31
110 b8 GTB

February 2023
SMTWTFS
1
2
110 b9 GTB
3
4
5
6
110 go to Build
7
RC
8
9
111 soft Code Freeze starts at 08:00 UTC
10
String Freeze
11
12
13
Merge day
111 b1 GTB
Nightly 112 starts
14
110 Release
111 b2 GTB
15
16
111 b3 GTB
17
User affecting changes provided to SUMO
18
19
111 b4 GTB
20
21
111 b5 GTB
22
23
111 b6 GTB
24
25
26
111 b7 GTB
27
SUMO content localization starts
28
Planned 110.0.x
111 b8 GTB

March 2023
SMTWTFS
1
2
111 b9 GTB
3
4
5
6
111 go to Build
7
RC
8
9
112 soft Code Freeze starts at 08:00 UTC
10
String Freeze
11
12
13
Merge day
112 b1 GTB
Nightly 113 starts
14
111 Release
112 b2 GTB
15
16
112 b3 GTB
17
User affecting changes provided to SUMO
18
19
112 b4 GTB
20
21
112 b5 GTB
22
23
112 b6 GTB
24
25
26
112 b7 GTB
27
SUMO content localization starts
28
Planned 111.0.x
112 b8 GTB
29
30
112 b9 GTB
31

April 2023
SMTWTFS
1
2
3
112 go to Build
4
RC
5
6
113 soft Code Freeze starts at 08:00 UTC
7
String Freeze
8
9
10
Merge day
113 b1 GTB
Nightly 114 starts
11
112 Release
113 b2 GTB
12
13
113 b3 GTB
14
User affecting changes provided to SUMO
15
16
113 b4 GTB
17
18
113 b5 GTB
19
20
113 b6 GTB
21
22
23
113 b7 GTB
24
SUMO content localization starts
25
Planned 112.0.x
113 b8 GTB
26
27
113 b9 GTB
28
29
30

May 2023
SMTWTFS
1
113 go to Build
2
RC
3
4
114 soft Code Freeze starts at 08:00 UTC
5
String Freeze
6
7
8
Merge day
114 b1 GTB
Nightly 115 starts
9
113 Release
114 b2 GTB
10
11
114 b3 GTB
12
User affecting changes provided to SUMO
13
14
114 b4 GTB
15
16
114 b5 GTB
17
18
114 b6 GTB
19
20
21
114 b7 GTB
22
SUMO content localization starts
23
Planned 113.0.x
114 b8 GTB
24
25
114 b9 GTB
26
27
28
29
114 go to Build
30
RC
31

June 2023
SMTWTFS
1
115 soft Code Freeze starts at 08:00 UTC
2
String Freeze
3
4
5
Merge day
115 b1 GTB
Nightly 116 starts
6
114 Release
115 b2 GTB
7
8
115 b3 GTB
9
User affecting changes provided to SUMO
10
11
115 b4 GTB
12
13
115 b5 GTB
14
15
115 b6 GTB
16
17
18
115 b7 GTB
19
SUMO content localization starts
20
Planned 114.0.x
115 b8 GTB
21
22
115 b9 GTB
23
24
25
26
115 go to Build
27
RC
28
29
116 soft Code Freeze starts at 08:00 UTC
30
String Freeze

July 2023
SMTWTFS
1
2
3
4
115 Release
Merge day
116 b1 GTB
Nightly 117 starts
5
6
116 b2 GTB
7
User affecting changes provided to SUMO
8
9
116 b3 GTB
10
11
116 b4 GTB
12
13
116 b5 GTB
14
15
16
116 b6 GTB
17
SUMO content localization starts
18
Planned 115.0.x
116 b7 GTB
19
20
116 b8 GTB
21
22
23
24
116 go to Build
25
RC
26
27
117 soft Code Freeze starts at 08:00 UTC
28
String Freeze
29
30
31
Merge day
117 b1 GTB
Nightly 118 starts

August 2023
SMTWTFS
1
116 Release
117 b2 GTB
2
3
117 b3 GTB
4
User affecting changes provided to SUMO
5
6
117 b4 GTB
7
8
117 b5 GTB
9
10
117 b6 GTB
11
12
13
117 b7 GTB
14
SUMO content localization starts
15
Planned 116.0.x
117 b8 GTB
16
17
117 b9 GTB
18
19
20
21
117 go to Build
22
RC
23
24
118 soft Code Freeze starts at 08:00 UTC
25
String Freeze
26
27
28
Merge day
118 b1 GTB
Nightly 119 starts
29
117 Release
118 b2 GTB
30
31
118 b3 GTB

August 2023
SMTWTFS
1
116 Release
117 b2 GTB
2
3
117 b3 GTB
4
User affecting changes provided to SUMO
5
6
117 b4 GTB
7
8
117 b5 GTB
9
10
117 b6 GTB
11
12
13
117 b7 GTB
14
SUMO content localization starts
15
Planned 116.0.x
117 b8 GTB
16
17
117 b9 GTB
18
19
20
21
117 go to Build
22
RC
23
24
118 soft Code Freeze starts at 08:00 UTC
25
String Freeze
26
27
28
Merge day
118 b1 GTB
Nightly 119 starts
29
117 Release
118 b2 GTB
30
31
118 b3 GTB

September 2023
SMTWTFS
1
User affecting changes provided to SUMO
2
3
118 b4 GTB
4
5
118 b5 GTB
6
7
118 b6 GTB
8
9
10
118 b7 GTB
11
SUMO content localization starts
12
Planned 117.0.x
118 b8 GTB
13
14
118 b9 GTB
15
16
17
18
118 go to Build
19
RC
20
21
119 soft Code Freeze starts at 08:00 UTC
22
String Freeze
23
24
25
Merge day
119 b1 GTB
Nightly 120 starts
26
118 Release
119 b2 GTB
27
28
119 b3 GTB
29
User affecting changes provided to SUMO
30

October 2023
SMTWTFS
1
119 b4 GTB
2
3
119 b5 GTB
4
5
119 b6 GTB
6
7
8
119 b7 GTB
9
SUMO content localization starts
10
Planned 118.0.x
119 b8 GTB
11
12
119 b9 GTB
13
14
15
16
119 go to Build
17
RC
18
19
120 soft Code Freeze starts at 08:00 UTC
20
String Freeze
21
22
23
Merge day
120 b1 GTB
Nightly 121 starts
24
119 Release
120 b2 GTB
25
26
120 b3 GTB
27
User affecting changes provided to SUMO
28
29
120 b4 GTB
30
31
120 b5 GTB

November 2023
SMTWTFS
1
2
120 b6 GTB
3
4
5
120 b7 GTB
6
SUMO content localization starts
7
Planned 119.0.x
120 b8 GTB
8
9
120 b9 GTB
10
11
12
13
120 go to Build
14
RC
15
16
121 soft Code Freeze starts at 08:00 UTC
17
String Freeze
18
19
20
Merge day
121 b1 GTB
21
120 Release
121 b2 GTB
22
23
121 b3 GTB
24
User affecting changes provided to SUMO
25
26
121 b4 GTB
27
28
121 b5 GTB
29
30
121 b6 GTB

December 2023
SMTWTFS
1
2
3
121 b7 GTB
4
SUMO content localization starts
5
Planned 120.0.x
121 b8 GTB
6
7
121 b9 GTB
8
9
10
11
121 go to Build
12
RC
13
14
15
16
17
18
19
121 Release
20
21
22
23
24
25
26
27
28
29
30
31