Hello @pettycrimes420! I'm here to help you with any bugs, questions, or contributions you may have. Let's tackle this issue together!

I found a similar issue that might be related to your problem. The issue titled "Sidebar suddenly not working as it should" was closed, and the suggested solution was to create a new profile and copy over your data, as the new profile did not have the issue ^[1].

Additionally, the codebase includes logic that adjusts the layout or dimensions of the split view when the sidebar is toggled. The ZenViewSplitter class manages the split view layout, and methods like addTabToSplit and calculateLayoutTree handle the arrangement and resizing of tabs within the split view ^[2]. This might be relevant to the issue you're experiencing with vertical resizing when the sidebar is open.

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I'm confirming this issue, 1.0.1-a.17 on Windows 23H2. It works with Sidebar + two tabs in split view. Option to resize the two split tabs is gone when I also open the Library (History menu etc)

Hey! I can reproduce this issue - It is however important to note this is only the case with the Bookmarks Sidebar (The title sounds as if this is about Zen's sidebar/sidepanel/webpanel)

Hi, @pettycrimes420. I'm Dosu, and I'm helping the desktop team manage their backlog. I'm marking this issue as stale.

Issue Summary:

• Vertical resizing of split tabs in Firefox is not possible when the native bookmarks sidebar is open on Linux.
• The issue is not reproducible on Mozilla Firefox itself.
• Affects versions 1.0.1-a.17 and 1.0.1-t.18.
• Suggested solution: Create a new profile.
• Confirmed by users tomsik-radek and LeMoonStar, with clarification that it involves the Bookmarks Sidebar.

Next Steps:

• Please confirm if this issue is still relevant to the latest version of the desktop repository by commenting here.
• If there is no response, the issue will be automatically closed in 7 days.

Thank you for your understanding and contribution!

Confirmed still relevant

Hi, @pettycrimes420. I'm Dosu, and I'm helping the desktop team manage their backlog and am marking this issue as stale.

Issue Summary

• Vertical resizing of split tabs in Firefox is not possible when the bookmarks sidebar is open on Linux.
• Affects versions 1.0.1-a.17 and 1.0.1-t.18; not reproducible on Mozilla Firefox itself.
• Confirmed by user tomsik-radek on Windows; involves the Bookmarks Sidebar as clarified by LeMoonStar.
• I suggested creating a new profile; you confirmed the issue is still relevant.

Next Steps

• Please confirm if this issue is still relevant to the latest version of the desktop repository by commenting here.
• If there is no further activity, the issue will be automatically closed in 7 days.

Thank you for your understanding and contribution!

* Please confirm if this issue is still relevant to the latest version of the desktop repository by commenting here.

Still is but there's been some work on it

Related: #4680

Hey! I can reproduce this issue - It is however important to note this is only the case with the Bookmarks Sidebar (The title sounds as if this is about Zen's sidebar/sidepanel/webpanel)

I will add that, as of the current version, the issue applies to zen's web panels too, as stated in the duplicate issue above.