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Message list panel now has more white space (fewer messages shown) and dangerously confusing hover highlighting v78.3.2

  • 62 cavab
  • 10 have this problem
  • 1 view
  • Last reply by Toad-Hall

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I just upgraded to 78.3.2, and the message list panel now has significantly more spacing, less denstiy. There is more whitespace between lines. And there does not appear to be any option to reset this back to the previous compact view?

EDIT: Adding a note about an additional issue with the message list panel that is discussed in this thread... Prior to v78.3.2, a message/line in the message list pane would not become highlighted until I *clicked* on it. Now, whenever I just pass my mouse over the list, the message under the mouse becomes highlighted (and the last message(s) *selected* also remains highlighted). This results in two or more non-adjacent messages being highlighted in the same way at the same time. This is a poor usability experience and dangerous design that has caused me to perform operations on unintended messages multiple times, even nearly accidentally deleting messages. This usability degradation creates a risk of data loss.

KEYWORDS: message thread pane, message list panel, UX, UI design, usability, accessibility

I just upgraded to 78.3.2, and the message list panel now has significantly more spacing, less denstiy. There is more whitespace between lines. And there does not appear to be any option to reset this back to the previous compact view? EDIT: Adding a note about an additional issue with the message list panel that is discussed in this thread... Prior to v78.3.2, a message/line in the message list pane would not become highlighted until I *clicked* on it. Now, whenever I just pass my mouse over the list, the message under the mouse becomes highlighted (and the last message(s) *selected* also remains highlighted). This results in two or more non-adjacent messages being highlighted in the same way at the same time. This is a poor usability experience and dangerous design that has caused me to perform operations on unintended messages multiple times, even nearly accidentally deleting messages. This usability degradation creates a risk of data loss. KEYWORDS: message thread pane, message list panel, UX, UI design, usability, accessibility

Modified by sells59

Chosen solution

Assuming you have done everything correctly...See if you need to change this:

  • Menu app icon > Options
  • Select 'General'
  • Scroll to the bottom and click on 'Config Editor' button
  • Accept Dragons warning
  • In search type: legacy
  • Look for this line: toolkit.legacyUserProfileCustomizations.stylesheet

If it is set to 'False'

  • Double click on that line to toggle the 'False' to 'True'

Restart Thunderbird if you needed to alter the setting.

Read this answer in context 👍 6

All Replies (2)

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re :Also, your 2nd image shows a file labeled "userContent.css" in this same folder but there is no explanation of what it is or what we are supposed to do with it (if anything). I'm going to ASSUME it is irrelevant for the original more space between lines problem cited in this thread?

yes, totally irrelevant to this question.

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re :So in the "userChrome.css" FILE we paste your 10 lines of 'gatekeeper' text starting with '/*' and ending with '}', and ONLY those 10 lines of text (includes the 'empty' lines)?

yes, everything between the two lines.

Thunderbird must be closed whilst you do this.

It is also important that the 'userChrome.css' file is spelt correctly and that it really has been saved as 'userChrome.css' and not 'userChrome.css.txt'. In the 'Type' column header it must be a 'Cascading Style Sheet' document and not a 'Text Document'.

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