The following extensions of mine have been updated for compatibility with v2024 Ruby - the deprecated Fixnum has been removed.
https://sketchucation.com/pluginstore?pln=ExtrudeTools - v6.0
https://sketchucation.com/pluginstore?pln=Latticeizer - v1.9
https://sketchucation.com/pluginstore?pln=Roof - v6.0
https://sketchucation.com/pluginstore?pln=SKMtools - v20240425
https://sketchucation.com/pluginstore?pln=TIG_Smart_offset - v4.0

v5.0 of PurgeAll is available - it fixes some minor glitches with v2024 changes...
https://sketchucation.com/pluginstore?pln=PurgeAll

@i5963c
The reason the toolbar appears is, because there are updates available - hence the red marker on the first button - not present otherwise.
If you open the ExtensionStore dialog and choose to install the updates, then close the toolbar, when you restart SketchUp the toolbar stays off, until you next activate it.
If you don't want the updates simply dock the toolbar in the side bar with others, it's unobtrusive...

@sashapepperspray
The method File.exists? has long been deprecated, but worked.
In the latest Ruby version it doesn’t - File.exist? - works in v2024 and older versions as well.
Many developers are working to adjust their code accordingly.

Have patience and post any instances in an affected extension's thread - as there are 100s of 1000s of line of code with the tiniest corrections needing to be found and change, then the extension re-encrypted and signed…

Many authors have already fixed their extensions, so look regularly to see if there’s already an update available…

@Joel3dm
Yes.
Make the non-auto-updating SectionCutFace unLocked and choose a material/color that's already used in the model [from a list].
A SCF's material applies to all faces, but you can edit the group and apply any material to any face etc...

Use the Outliner.
You can then expanded the 'tree' and select the nested Container, and double-click it in the Outliner to edit it that way.

The SKP you provided has 2 roof faces at z>0 [faces at z0 don't work].
These 2 are identical in edge sizes and orientations/direction.
The one on the right takes a hipped roof OK, but the one on the left fails with an error message.
This is weird.
However, if you follow the advice in the error message on that problem face. and erase one edge and remake t the new face will also take a hipped roof OK.
Something in your model's database is skewed.
But it is fixable...

You can't do that in one step. Do this.
Use the Tape-measure tool to make the first at 1/2" as before click to confirm, Select the guide line, and chose the Move tool, press Ctrl to invoke Copying, make the copy off 1/2" and immediately type 9x press Enter to confirm.
Now you have 10 guides at 1/2" spacing.
You can make multiple offset copies of selected things, including guides, but you can use the Tape-measure tool to make more that one guide at a time.
You can also make radial copies at set angles using Rotate + Ctrl for Copy and entering the number needed, press enter.
It's probably best that when inputting lengths or angles to the use 9x rather than x9 as the leading letter might sometimes get confused with ab x shortcut.
To make guide copies at a set spacing, e.g. use 9x but if you want to divide between a start and end guide manually pick the start and the final one and use 9/ to divide - that way you don't need the exact dimension, but can be sure the spacings are all equal.

AI forgot the doors !
Otherwise it's pretty good...

@unknownuser said:

I can't validate the round corner license, in the extension box the error says communication failed with sketchucation

See the previous reply about why this might happen...
And how to fix it...

@HornOxx

I use AutoHotkey for many things and it's easy enough to customize once you come to grips with its foibles...
I don't auto-resize viewports, but Rich knows how, and perhaps he can share his example script, or point you/us to someone else's ?

@grizzler

You should go to the PluginStore and update to the SketchUcation toolset v4.4.0 which has been specially reworked for v2024 compatibility. If deals with the SCF licensing for many extensions.
If you use any of Fredo's extensions, he has also updated them all for v2024 use and don't forget his latest LibFredo too...
After installing these restart SketchUp to sync everything...

@grizzler When you [re]installed SketchUp/Layout did you do it properly.
If not then you can repair it without affecting anything you've got set up.
Close SketchUp/Layout.
Find the SketchUp installer's exe file - usually in your Downloads folder.
Select the exe file's icon, right-click > context-menu > "Run as administrator"
When prompted choose "Repair".
When it completes restart your computer and see is SketchUp/Layout now works as you expect...
Running a complex app's installer's exe file by double-clicking it to 'Run' it is not the same thing, even if you have admin powers.

@luciofra

Many of Fredo's extensions now require licenses, as do some other authors' work.

These perpetual licenses are relatively inexpensive [typically $7 to $15 each].
There might also be discounted 'bundle' licenses available, e.g. Fredo's bundle contains 8 of his most popular ones.
https://sketchucation.com/purchase.php?plugin=Fredo6Bundle2022
and costs $40/$24 for premium members.

Premium members get considerable % discounts.

You also need to install his help LibeFredo6 [free]
licensed extensions also require the SketchUcation Tools [free] installing which sets up the licensing side of things.

This page covers all current licensed SCF extensions...
https://sketchucation.com/plugin-list.php

This is the general licensing guide...
https://downloads.sketchucation.com/licensing/SCFLicense-Instructions_to_Users.pdf

And this page lets you manage your own licenses...
https://sketchucation.com/webshop/my-licences.php

@errror404
Probably No.

If you have SketchUcation tool's ExtensionStore³ you can make a Bundle of the extensions you have in the previous version.
The in the newer version use that Bundle to add/update all of your extensions in that version - using the newest version available.
Unfortunately it only works for extensions you have installed from SketchUcation.

Any extensions you got direct from a developer's site need re-downloading and installing individually.

Any extension you got from the Extension Warehouse must be re-downloaded / installed.
Their bulk update is no longer available.

SketchUcation ExtensionStore³ also notifies you when updates of your current extensions are available, and lets you install them, individually or in bulk.

You can copy the contents of your Plugins folder from the current to the newer version - however, many developers update their code to suit newer versions, so errors might arise with this method, especially if you haven't update extensions fastidiously.
Don't copy over the su_xxx extensions and folders as these are shipped with each version and you might overwrite a newer version...

@jhanphillipco
Why not email support at sketchucation.com - they can advise on acceptable payment methods...

As Rich says, switch off Length Snapping - it is more trouble than it's worth !
It offers no advantages.

Here's an update to v8.0 for future compatibility...
All core functions/settings remain unchanged.
https://sketchucation.com/pluginstore?pln=SectionCutFace

@robint

I made some tweaks and now it works almost too fast in newer SketchUp versions !
But in v2017 it is still quite slow...

I'll sleep on it and look at again tomorrow...

The joints need to be whole or a half [or zero]. At the moment the short lengths of joint don't add up to a whole joint, hence the oddity when the texture repeats.