Editor for web (uhta3d_editor)

I had a question today as I was doing a lot of VR work. This is an issue that occurs when I press the "C" key in uhta3d_editor to save it, and it overwrites the existing file.
I wrote the scene as below.

	<scene name="scene_0318" title="0318" onstart="select_box_item(scene_0318)" thumburl="panos/0318.tiles/thumb.jpg" lat="37.80992917" lng="128.70023250" alt="0.00" heading="0.0" group="01">
		<control bouncinglimits="calc:image.cube ? true : false" />
		<view hlookat="0.0" vlookat="0.0" fovtype="MFOV" fov="120" maxpixelzoom="2.0" fovmin="70" fovmax="140" limitview="auto" />
		<preview url="panos/0318.tiles/preview.jpg" />
		<image>
			<cube url="panos/0318.tiles/pano_%s.jpg" />
		</image>
		<hotspot name="spot_0318_0317" tooltip="0317" style="skin_hotspotstyle" ath="-89.442" atv="31.890" linkedscene="scene_0317" linkedscene_hoffset="387.966" use3dtransition="true" />
		<hotspot name="spot_0318_0319" tooltip="0319" style="skin_hotspotstyle" ath="130.064" atv="27.070" linkedscene="scene_0319" linkedscene_hoffset="-46.802" use3dtransition="true" />
	</scene>
	
	<scene name="scene_0319" title="0319" onstart="select_box_item(scene_0319)" thumburl="panos/0319.tiles/thumb.jpg" lat="37.81055083" lng="128.70021528" alt="0.00" heading="0.0" group="02">
		<control bouncinglimits="calc:image.cube ? true : false" />
		<view hlookat="0.0" vlookat="0.0" fovtype="MFOV" fov="120" maxpixelzoom="2.0" fovmin="70" fovmax="140" limitview="auto" />
		<preview url="panos/0319.tiles/preview.jpg" />
		<image>
			<cube url="panos/0319.tiles/pano_%s.jpg" />
		</image>
		<hotspot name="spot_0319_0318" tooltip="0318" style="skin_hotspotstyle" ath="-96.739" atv="26.009" linkedscene="scene_0318" linkedscene_hoffset="406.802" use3dtransition="true" />
		<hotspot name="spot_0319_0320" tooltip="0320" style="skin_hotspotstyle" ath="72.165" atv="26.872" linkedscene="scene_0320" linkedscene_hoffset="10.939" use3dtransition="true" />
	</scene>

I try to save as much time as possible when I work on a tour with a large number of VR files using various plug-ins. So I put some different properties in the scene. Like this.
group="01" title2="name"

Title2 is not often used, so there is no big inconvenience even if you enter it manually.
However, the group option used to divide groups in hundreds of scenes disappears when the file is overwritten.

When overwriting a file, can't I keep the property values created by the user? Various variables occur while working, but if the property disappears while overwriting the file, it takes a lot of time to rework hundreds of scenes.

Quote from lastromantik

thanks for the suggestion, I will consider it soon.

Hello? It's been a while since I said hello.
Is there a new version for an issue that is old but I mentioned?
I'm still having trouble with group="01" Title2="name" disappearing while working on a bunch of scenes.
I've been using it well with the program you've made, but it's painful for me to work repeatedly due to mistakes every time. haha
If you've already made a new version, can I ask you a favor?

Quote from lastromantik

Hello, I haven't fixed any issues yet. I need to get back to supporting and developing this editor somehow. I'll try to fix what you're asking for in the near future.Thank you.

I'm glad to talk to you again after a long time. You must be very busy. I'm eagerly waiting for this program you created. :) This may sound rude, but it's a very necessary program for someone like me. You can make it complete and sell it. I really want a program that solves the problem. I'm tired of waiting.