# Id Name Users TB91 TB102 TB115 TB128 TB140 TB153 TB156 Activity Current Min (ATN) Max (XPI) Max (ATN) Notes
3 711780 LookOut (fix version) 135510 5.4

 5.4

 6.7

 6.7

 7.4.1
 7.4.1
 2026-09-10 7.4.1
 140.0 * 155.*
19 987716 Minimize on Close 29682 2.0.1.4

 2.0.1.4

 2.0.1.4

 2.0.3.0

 2.0.3.0

 2.0.3.0

 2026-06-24 2.0.3.0

 128.0 153.* 153.*
46 986685 Phoenity Icons 11277 3.7

 3.10


 3.14


 3.19


 3.19


 3.19


 2026-03-27 3.19


 128.0 151.* 153.0
74 811161 WarnAttachment 5653 2.13

 2.13

 2.13

 2.20

 2.20

 2.20

 2026-08-24 2.20

 126.0 155.* 155.*
77 988001 Attachment Viewer: view in a tab, slid 5503 2.3.3

 2.3.3

 2.9.2

 3.4.12

 3.4.12

 3.4.12

 2026-02-24 3.4.12

 128.0 148.* 154.*
99 987931 Birthday Calendar 3733 1.0

 1.2.2

 1.2.2

 1.2.3

 1.2.5

 1.2.5

 2026-07-18 1.2.5

 140.0 153.* 153.*
101 1898 FolderFlags 3616 1.6.0

 1.6.0

 1.6.0

 1.7.2

 1.7.2

 1.7.2

 2025-08-18 1.7.2

 128.0 142.* 155.*
105 988116 Charset Menu 3347 1.1.2

 2.0.0

 2.0.0

 2.1.2

 2.1.2

 2.1.2

 2025-08-07 2.1.2

 128.0 142.* 153.*
150 646888 Dictionary for recipient 1864 2.3.1

 2.3.2

 2.3.2

 2.4.1

 2.4.1

 2.4.1

 2025-08-07 2.4.1

 128.0 142.* 153.*
162 987865 Previous Colors 1600 1.2

 1.2

 1.2

 2.1

 2.1

 2.1

 2024-07-27 2.1

 128.0 128.* 155.*
177 769143 Lightning Invitation Notifier | LIN 1330 153.0
 153.0
 153.0
 153.0
 153.0
 153.0
 2026-09-05 153.0
 78.0 * 153.*
186 987914 Filter on Folder Button 1194 1.2.0

 1.5.0

 1.5.1

 1.6.2

 1.6.2

 1.6.2

 2025-05-04 1.6.2

 128.0 140.0 155.*
199 988035 Markdown Here Revival 1011 3.5.1

 3.5.1

 3.6.0

 4.0.9.1

 4.0.9.1

 4.0.9.1

 2026-01-16 4.0.9.1

 128.0 148.* 155.*
223 988081 Outlook Address Book Enabler 828 1.0.1

 1.0.2

 1.1.1

 1.1.1

 1.1.1

 1.1.1

 2025-08-07 1.1.1

 115.0 142.* 153.*
282 987729 New Folder Filters Button
↳ Filter on Folder Button		 555 3.3

 3.5

 3.5

 3.10

 3.10

 3.10

 2026-08-20 3.10

 128.0 153.* 153.*
293 690062 Sender Frequency 489 2.0.5

 2.0.5

 3.0.1

 3.1.2

 3.1.2

 3.1.3

 2026-08-24 3.1.3

 153.0 155.* 155.*
294 508826 EDS Calendar Integration 484 0.9.3

 1.0.2

 1.1.0

 1.2.0

 1.3.1

 1.3.1

 2026-05-18 1.3.1

 136.0 150.* 153.*
307 988416 Quick Filter By 453 7

 7

 15

 15

 15

 15

 2026-08-17 15

 115.0 153.* 153.*
348 989218 Thunderbird Pro 346 1.3.3

 1.9.1

 1.9.1

 2026-06-18 1.9.1

 140.0 153.* 153.*
438 988837 Calendar/Project Tools: Gantt-/Year V 189 2.6.10

 2.6.10

 2.6.10

 2.6.10

 2.6.10

 2.6.10

 2026-04-17 2.6.10

 60.0 150.* 154.*
507 989871 Undo Send Queue 127 2.0.0
 2.0.0
 2.0.0
 2.0.0
 2026-07-10 2.0.0
 115.0 154.* 154.*
675 989352 Calendar Annual View 58 1.1.3

 2026-07-24 1.1.3

 147.0 154.0 154.0
723 988571 FindNow 46 3.6

 4.3

 4.3

 4.3

 2025-07-09 4.3

 128.0 140.* 153.*
726 989589 WashiBird 46 1.5

 1.5

 1.5

 2026-07-29 1.5

 128.0 154.* 154.*
1099 988392 Quick Peek / Message List Preview 8 1.1.4

 1.1.4

 2.1.4

 2.1.4

 2.1.4

 2.1.4

 2026-07-16 2.1.4

 115.0 153.* 154.*
1243 989835 Sender Avatars for Thunderbird 4 2.0.9
 2.0.9
 2.0.9
 2.0.9
 2.0.9
 2026-06-29 2.0.9
 102.0 153.* 153.*
1563 988473 Simple Hello 1 3
 3
 3
 3
 3
 3
 2026-08-17 3
 76.0a1 153.* 153.*

Statistics

21
3
2

The report is based on work by Christopher Leidigh, extended by John Bieling.