# Id Name Users TB91 TB102 TB115 TB128 TB140 TB153 TB158 Activity Current Min (ATN) Max (XPI) Max (ATN) Notes
4 711780 LookOut (fix version) 129504 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 29161 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.*
26 386321 Lightning Calendar Tabs 21956 2.8

 3.2

 3.2

 3.9

 3.9

 3.11
 2026-09-19 3.11
 153.0 * 157.*
47 986685 Phoenity Icons 10952 3.7

 3.10


 3.14


 3.19


 3.19


 3.19


 2026-03-27 3.19


 128.0 151.* 153.0
65 987900 QNote 7347 0.12.5

 0.12.5

 0.13.0

 0.14.21

 0.14.21

 0.14.21

 2026-07-24 0.14.21

 128.0 154.* 157.*
96 987931 Birthday Calendar 3805 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.*
98 988116 Charset Menu 3717 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.*
100 988091 Expression (Power) Message/Calendar Se 3505 3.8.11

 3.8.11

 4.0.44

 4.4.47

 4.9.56
 4.9.56
 2026-09-03 4.9.56
 140.0 * 157.*
101 742199 Attach from Clipboard 3504 1.91.2

 1.91.2

 1.128.6

 2.3

 2.3

 2.3

 2026-08-28 2.3

 128.0 156.* 156.*
108 1898 FolderFlags 3124 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.*
112 116388 Automatic Dictionary 2979 3.0.1

 3.15.0

 3.15.0

 4.13.0

 4.13.0

 4.13.0

 2026-03-05 4.13.0

 128.0 148.0 157.*
122 811161 WarnAttachment 2649 2.13

 2.13

 2.13

 2.20

 2.20

 2.20

 2026-08-24 2.20

 126.0 155.* 155.*
149 646888 Dictionary for recipient 1850 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.*
173 769143 Lightning Invitation Notifier | LIN 1320 153.0
 153.0
 153.0
 153.0
 153.0
 153.0
 2026-09-05 153.0
 78.0 * 153.*
201 987914 Filter on Folder Button 1014 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.*
216 988035 Markdown Here Revival 872 3.5.1

 3.5.1

 3.6.0

 4.0.9.1

 4.0.19
 4.0.19
 2026-10-09 4.0.19
 140.0 * 157.*
225 988081 Outlook Address Book Enabler 819 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.*
279 987729 New Folder Filters Button
↳ Filter on Folder Button		 568 3.3

 3.5

 3.5

 3.10

 3.10

 3.10

 2026-08-20 3.10

 128.0 153.* 153.*
309 988416 Quick Filter By 449 7

 7

 15

 15

 15

 15

 2026-08-17 15

 115.0 153.* 153.*
315 508826 EDS Calendar Integration 438 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.*
327 690062 Sender Frequency 399 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.*
364 987933 Toggle Line Wrap 312 1.5.2

 1.5.2

 1.5.2

 1.6.6
 1.6.6
 1.6.6
 2026-10-16 1.6.6
 128.0 * 157.*
395 989218 Thunderbird Pro 254 1.3.3

 1.9.1

 1.9.1

 2026-06-18 1.9.1

 140.0 153.* 153.*
503 989871 Undo Send Queue 140 2.0.0
 2.0.0
 2.0.0
 2.0.0
 2026-07-10 2.0.0
 115.0 154.* 154.*
699 989352 Calendar Annual View 54 1.1.3

 2026-07-24 1.1.3

 147.0 154.0 154.0
709 989589 WashiBird 52 1.5

 1.5

 1.5

 2026-07-29 1.5

 128.0 154.* 154.*
718 988571 FindNow 48 3.6

 4.3

 4.3

 4.3

 2025-07-09 4.3

 128.0 140.* 153.*
1222 989835 Sender Avatars for Thunderbird 5 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.*
1603 988473 Simple Hello 1 3
 3
 3
 3
 3
 3
 2026-08-17 3
 76.0a1 153.* 153.*

Statistics

19
3
2

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