Issue Tracking System

You can file bugs and requests for the following extensions:

• Tag Toolbar
• Maximize Message Pane
• Priority Switcher
• Check and Send
• New Tab Button
• Evernote Tab
• EnForward
• Message Header Toolbar Customize

And, of course, you can request new extension, too.

Format

Format is similar to Wiki. So you can easily write if you know original wiki's format. However, some format is extended originally. See TextFormattingRulesEn for details (see TextFormattingRules for Japanese).

Please write in English or Japanese.

Note

• Before you click the Submit button, check "I'm not a spammer" and uncheck "I'm a spammer". Otherwise, your post will be rejected.

• See Active tickets and confirm your bug or request is already submitted or not. If it exists, add your comment to the ticket.

• If status of your bug becomes Unconfirmed, I cannot reproduce it yet. Please give me more feedback.

• Specify extension name and version in Version field. When you request a new extension, input Other to this field. You can use the following abbreviations for extension names:
  • TTB (Tag Toolbar/Tag Popup)
  • MMP (Maximize Message Pane)
  • PS (Priority Switcher)
  • CAS (Check and Send)
  • NTB (New Tab Button)
  • ENT (Evernote Tab)
  • ENF (EnForward)
  • MHC (Message Header Toolbar Customize)

Example:
Check and Send 2.0.0

• Write your environment for bug reporting using the following example.

Example:
[OS] Windows 10

[Application] Thunderbird 78.0

[Themes] list all themes you installed

[Extensions] list all extensions you installed

Add a new ticket

Active tickets

means a ticket updated by a user within 7 days.

means a ticket updated by a developer within 7 days.

No.	Summary	Version	Milestone	Status	Priority	Reporter	Updated
464	Check and Send: Unusual editing in reply message (plaintext mode )	2.1.7	?	New	High	H. Min	2025-06-25 by H. Min
461	Tag Toolbar/Popup, vers. 04/07/2025 not able to install	2.4.7	?	Pending	High	Reiner	2025-06-20 by Viking
441	Add support for "New Tab Button" extension to be able to open new tab for compose new email dialog window	2.1.0	?	New	High	avivanov@astralinux.ru	2023-12-15 by avivanov@astralinux.ru
414	regex replace	CAS 2.1.5	?	New	High	Erik	2023-07-16 by Nick
465	Tag Popup - No longer compatible with Thunderbird	140.0.1	?	New	Normal	Dev4	2025-07-18 by Dev4
463	Tag Popup - same tag as original no longer working (since last year)	2.4.1	?	New	Normal	Lori R.	2025-05-03 by Lori R.
462	MHC - Console Messages - WebExtensions: TypeError: tab.chromeBrowser is undefined	MHC 2.4.4	?	New	Normal	WoofGrrrr	2025-04-22 by anonymous
460	MHC 2.4.4 オプションダイアログ問題	MHC 2.4.4	?	New	Normal	zizi	2025-04-11 by zizi
456	Maximize Message Pane for newer TB Versions (>102)?	?	?	Pending	Normal	Anon Emos	2025-02-15 by Anon Emos
455	Tag popup	2.4.6	?	New	Normal	HJ	2024-12-18 by HJ
454	Feature Request: Separate Layout for Selected and Unselected Tags in Tag Popup	TTB 2.4.3	?	New	Normal	anonymous	2024-11-27 by anonymous
452	‘Tags’ toolbar button (popup?) interface box is blank	TTB 2.4.3	?	New	Normal	E.Q.	2024-10-27 by E.Q.
443	EnForward compatible to TB 115	2.2.5	?	New	Normal	anonymous	2024-01-15 by anonymous
442	please update priority switcher	PS latest	?	New	Normal	Stefan	2024-01-03 by Stefan
439	PS - Are priority column's icon still existing?	PS 2.0.6	?	New	Normal	anon	2023-11-28 by anon
438	[TTB] Tagging system	2.4.1	?	New	Normal	Simon	2023-11-17 by Simon
435	ENF not compatible with Tunderbird 115.3.1	ENF 2.2.5	?	New	Normal	TK79	2023-10-11 by TK79
430	Customization forgotten on update	MMP 2.3.6	?	New	Normal	Peter@psdt.com	2023-09-03 by Peter@psdt.com
429	Tags do not sync between computers	Tag Popup 2.3.5	?	New	Normal	TDS	2023-08-30 by TDS
424	EnForward broken with latest TB	2.2.5	?	New	Normal	Arno	2023-08-22 by anonymous
428	Ignore case when matching recipient address	CAS 2.1.5	?	New	Normal	JohnKA	2023-08-15 by JohnKA
425	[TTP]	2.3.5	?	New	Normal	ThiloteE	2023-06-14 by ThiloteE
423	Reducing size of header bar	MHC	?	New	Normal	Russ	2023-04-02 by Russ
418	EnForward - Error on submit	2.2.3	?	New	Normal	ldwt	2023-03-06 by ldwt
417	チェックに時間がかかる場合の送信キャンセルができない	CAS 2.1.5	?	New	Normal	ef	2023-02-28 by ef
411	How to use "Delayed Sending"?	CAS 2.1.5		Reopened	Normal	sh	2023-02-19 by sh
415	MHC header toolbar buttons to the left	MHC 2.3.6	?	New	Normal	Erik	2022-12-05 by Erik
406	Tags dissappear and are not selectable	2.3.2	?	New	Normal	DMM	2022-10-05 by DMM
403	Ability to change the background color of the selected and focused messages without tag	102	?	New	Normal	Luk	2022-08-02 by Luk
402	Check against the sender's address - CAS	CAS 2.1.1	?	New	Normal	Ellis	2022-07-15 by Ellis
399	MHC. Selected message count not updating	2.2.2	?	New	Normal	LatinSuD	2022-07-12 by LatinSuD
376	2.1.5 tag toolbar	2.1.5	?	New	Normal	Uwe Aszmann	2021-01-04 by Uwe Aszmann
364	TTB - Fixed sort order. Toolbar Mode	2.1.5	?	New	Normal	DaLiV	2020-09-21 by DaLiV
451	[MHTC] Add "Mark as read" button	2.4.3	?	New	Low	Florine	2024-10-16 by Florine

Closed tickets (last 10 tickets)

means a ticket updated by a user within 7 days.

means a ticket updated by a developer within 7 days.