right click on tab open in browser adds encoded question mark %3F, which breaks the path to the file. If I remove the added query string it works well. But I don't like this inefficient behaviour.

About Dreamweavers misbehaviour - experiences:
1 The token produced when trying to view a page in the browser is always the same, if you do it that way several times. 
(for instance %3Ftoken=03d75d99-4507-4277-a33f-b49425028e9d

2 Closing DW und reopening DW causes the addition of an other token.
(for instance %3Ftoken=e5559410-1d1f-4ae4-8a8e-3d266449380a)

3 There is a file named "TrustTokenKeyCommitments" in C:/User/AppData/Roaming/Adobe/Dreamweaver2021/de_DE/Configuration/Cef. Anything to do with the bug?

I confirm, using DW Version 21.6 does not cause the bug.
Best regards
Herbert
 

This is a dreamweaver bug and has been brought in in v21.8

I have been using one drive for my files for quite a while as its a shared design folder and its only the last update of dreamweaver that has broken this.

It’s nothing to do with browsers, as the same ?token=xxxx query string gets added to all preview in browser. 

If I go direct to the file in file explorer and open with chrome/firefox the page loads no problem.

The question is where is this token query string coming from. I have looked through all settings and cannot find anything to remove it. It needs removing. 

Also the same thing happens with a completely new blank document.

I have gone back to version 21.6 - that works fine for me. So I will stick with that version until this adding a random token query string is fixed.

Real-Time Preview should be disabled in Preferences. You don’t need it to preview files in a local browser. 

Dear Nancy,
also setting up a site by C:\Testsite evokes  a "ERR_FILE_NOT_FOUND" and a added %3F Token as well as using Dropbox or OneDrive.

Enabling in preferences: 
Option: preview with temporarily file - envokes the error
Enabling static browser preview: idem.
Not enabling both: works (not supporting the "autoplay" attribute for videos) 
preview by 
http://127.0.0.1:49771/preview/app/index.html?token=e0dda0f4-9869-47b7-bdd6-ff6d5b1aac95
adds the token.
Chrome was updated recently. security bug caused by Google?

Best regards

Herbert
 

This doesn’t really sound like a DW issue per se, I think your browsers might be getting confused by something in your code.

Run your page through a validator. It’s possible a small error somewhere in the code is causing the browser to get confused, making it treat your query string as regular text.

I don’t know how many times I’ve been driven to the brink of insanity by a misplaced apostrophe or mismatched quote pair that wasn’t being picked up by DW’s error checkers.

hello ​@Paul5EB2 ,

Just wondering, it looks like you’re working directly from a file:/// path (for example from a local or OneDrive folder),

Sometimes DW behaves a bit differently when files are opened directly from the file system instead of through a defined site.

It might be worth checking:

• if the issue still happens when the project is set up as a proper site in Dreamweaver
• and possibly when the site is located on a local drive rather than a synced folder

That could help narrow down whether this is related to the environment or something else.