Removing myself as assignee, since the task is closed, but will still try to tackle it once I have the time.

Thanks for the ping, @Pratik Borhade (PratikPB2123)! I had this on my list, but didn't have too much time recently to work on Blender things.
I have a first version working now (see video below) and I'll try to find the time to prepare a patch over the next weeks.

Hello, @kursad k (kursadk) and thanks a lot for the report! I think this is the expected behavior, though - see below for the explanation.
I'll close the report, but feel free to get back at me, if you think I misunderstood what you mean.

Yes! I wasn't too sure at first, but at this point I believe keeping a theme-able outline will be better in the long run.

In D15036#410363, @Hans Goudey (HooglyBoogly) wrote:

About the outline question, why are the links so invisible for the white theme only at the high zoom level? At the medium and far zoom levels they look fine.

• Update to current state off master.
• Address comments.

• Fix missing highlight for "node drop" functionality.
• Even out the dash spacing on straight node links.

Hey, @João Generoso (juaogeneroso)! Thanks a lot for the report.

Update to current state of master.

Additionally to the updated patch, I tried how it would look with an outline:

• Cleanup the changes in the shader.
• Adjust the link thickness and its clamping a bit to work better with standard dpi screens.
• Remove unnecessary geometry of the links that were used to draw the shadow.
• Remove all uses of the shadow color.
• Change naming of the "Wire" user preference since it now only changes the socket outline color.

When I read the report, I was about to give a similar response as @Iliya Katueshenock (Moder) considering how the code is written.
I see how this is confusing to users, though.

For now I updated the patch to not change the range of the frame label size anymore.
At 64 the label is already several times larger than any other text drawn in the node editor so it should properly address T95105. This is now the "fix only" version of the patch.

• Change maximum frame label size back to 64.
• Formatting.

In D13954#405999, @Julian Eisel (Severin) wrote:

The fixes here seem fine, but I'm wondering if we really need to increase the max label size? It seems the actually reported issue is caused by errors that are fixed with this and D14338. If a font size of 64 (points I guess?) is too small, we can increase it of course. But 256 seems exaggerated, I doubt that's ever useful.

Now that the shadow is gone I noticed there are a few things that can be simplified.

• Update to current state of master.
• Adjust node background grid parameters to match the tighter spacing better.
• First cleanups to make things better organized.

I can reproduce this. The texture/mapping nodes are added way below the selected node.

• Unexpose the "Hide new sockets" option as it's more of an implementation detail.
• Add a NODE_HIDE_UNUSED_SOCKETS flag to store the "hidden sockets" state of nodes.

Thanks for the update, @ardem (ardem). Great that you could resolve the issue!
I'll close the task, but feel free to open a new one, if you run into this again and it seems to be an issue with Blender.

Hello @yonghao lv (Atticuslv) and thanks a lot for the report!

@Dalai Felinto (dfelinto) Yes, I was working on addressing this in D14531 and would enjoy to continue with that!

Update to current state of master.

Hey @Sven Zethelius (szetheli), thanks a lot for the report and nice that you actually took the time to investigate the issue! :)

• Rebase on master.
• Remove unnecessary comment.

Updated the patch to gather feedback here: https://devtalk.blender.org/t/feedback-wanted-on-node-layout-changes-to-match-the-node-grid/23904/30

• Change node snap grid size to 0.55 U.widget_unit (half of what it was before).
• Adapt the multi input socket to to match that new grid size by making the link gap also 0.55 U.widget_unit
• Adapt node dot background to also match the smaller snap increment

• Update to current state of master
• Rather than looking for the output nodes in python it's now done in rna_node_socket_interface_display_shape_get. Still not super thrilled about how this is done, but better than doing it from python.

Hidden nodes are now aligned on the same grid as the other sockets.

• Clean up, formatting and improved variable naming.
• Align hidden node with socket snap grid.
• Fix label text wiggling, when toggling between hidden and normal node state.

In D14466#392214, @Faruk Ahmet (kuboa) wrote:

Are collapsed (hidden) nodes also considered, or naturally get fixed with these changes? Their collapsed form has an awkward height and their sockets seem to be centered on the titlebars, which don't align with other sockets at the moment:

So far I hadn't given them too much thought except changing their positioning so their horizontal center axis is aligned with the sockets. This way if they have only one output it can be properly aligned with reroutes and other sockets at least. (This is not yet part of the uploaded patch).

Thanks for checking.
I think, then it's save to assume that this is the same issue as T71771.

Just pointing out some mostly superficial stuff. :)
Also, better run clang format before submitting/updating patches to match blender's formatting style. See: https://wiki.blender.org/wiki/Tools/ClangFormat