Release ZennoPoster new version (24 September 2020) Updated Chrome 84 engine • Improving anonymity • Support of the new version of C# 7.3

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ZennoLab Team

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Updated Chrome 84 engine

A fresh new browser engine
Chrome version 84 lies at the core of the new version of ZennoPoster. It supports the largest amount of modern web-standards used by different websites.
  • You can now interact with even more websites.
  • Improve the quality of your browser profiles by enabling Chrome in your projects.

Improving anonymity

Enhanced profile generation

Even more dependencies are now taken into account during profile generation, which allows to minimize the risk of your device being detected as invalid or suspicious by a website. The mobile and desktop device base has also been updated.

Chrome and Chrome based browser generation has been separated

Chromium based browser generation (Yandex Browser, Vivaldi and others) is now controlled by a separate option - Chrome Based. In order to emulate pure Chrome you need to use the corresponding slider. These options can be adjusted via the project profile in the browser tab.

Enhanced battery emulation

A random battery percentage is generated on the launch of every new thread. This is relevant only for mobile device emulation.

Some other changes that were made include:
  • Emulation of chrome extensions was improved
  • Emulation of WebRTC Media Devices was fixed
  • The bug with visible scroll bars on mobile devices was fixed
  • Swipe behavior while viewing Yandex Metrics was fixed
  • The absence of screen orientation on mobile devices was fixed
  • The camera and microphone emulation in mobile profiles was fixed
  • The Antialiasing WebGL emulation was fixed

Support of the new version of C# 7.3

The C# compiler has been updated from version 5.0 to 7.3. You can read about what's new on the official website

Note that using C# actions in a project automatically increases the minimal required version of the template in the encryption module to

Create new Google tables and sheets

Starting from this version you can create Google tables and sheets while the template is running. This feature is available in the Table processing action → Bind to URL.

Note that using the Bind to URL action in a project automatically increases the minimal required version of the template in the encryption module to

Increased stability: HTTP requests are now in a separate process

In the previous versions of the program HTTP requests were sent from the ProjectMaker / ZennoPoster process. This would often lead to certain problems under a high load, such as an increased number of handles, interface lags and sometimes even process crashes. In order to increase stability we decided to separate HTTP requests from the main processes.

Network error output in the Chrome browser

In case there is a connection error or the website is unavailable, a detailed error description will be displayed inside the browser instead of showing a blanc page. This will allow you to know the exact cause of the error and base your future project logic on this knowledge.

New SMS service: SmsHub

The new SMS service has a vast variety of supported services and countries (besides Russia and Kazakhstan). The main feature of SmsHub is that you are paying rent for 20 minutes of a phone number, not for SMS!

Enhanced dark theme in ProjectMaker

The color scheme of the background of actions has been modified so that actions are now more bold and distinctive.

The full changelog


+ The version of the Chrome browser has been updated to 84.
+ The C# compiler now supports up to version 7.3 of C#.
+ HTTP requests have been put in a separate process, which should result in a more stable performance of ZennoPoster.
+ The Chrome scroll bar in the browser settings of ProjectMaker has been separated into Chrome based - for generating browsers based on Chrome, and Chrome - for generating just Chrome browsers.
+ Emulation of chrome extensions was improved.
+ A new SMS service has been added.
+ An opportunity to create a new table, create a new sheet or bind to an existing Google table has been added in the "Table processing" action.
+ Connection errors are now displayed in Chrome instead of a blanc page.
+ Automatic restoration of input settings has been added in case the input settings file gets corrupted.
+ A "Menu" button has been added to the task manager in the schedule similar to the Schedule button.
+ The column with information about the next planned launch has been restored in ZennoPoster if the project is being controlled by the scheduler.
+ The "Dedicated process" option is automatically disabled in the project settings when choosing one of Chrome, Firefox52 or Firefox52x64 browsers. The "Use Proxifier" option is also disabled when choosing the Chrome browser.
+ In case the version of ZennoPoster is lower than the required version of the project an error "A minimal version of ZennoPoster XX.XX is required for this project. Please upgrade" will be displayed instead of the previous "Project does not contain default settings" error.
+ A hint about proxy protocols has been added to GET/POST request actions.
+ The mouse cursor has been replaced by the pointer icon during the execution of the Touch action to make it clear which action is being sent at the moment.
+ Visual enhancements of the instance viewing mode in ZennoPoster.
+ The display of separate actions in the dark theme in ProjectMaker has been improved.


The cause of the CPU memory leak when executing projects in multithread mode has been eliminated in ZennoPoster.
Instance freezing when there are problems with tab creation has been fixed.
The camera and microphone emulation in mobile profiles was fixed.
The Antialiasing WebGL emulation was fixed.
deviceId and label WebRTC installation has been fixed for mobile profiles.
Battery power emulation has been added for mobile profiles.
Other improvements regarding emulation of WebRTC Media Devices.
Fixed the bug when screen orientation of mobile profiles would be incorrect or not be present at all.
Fixed the bug when ProjectMaker would crash if a regex constructor that has not finished working had been closed.
Fixed lagging when there was an unclosed multiline comment in the C# code in ProjectMaker.
Fixed the bug when the C# action properties wouldn't get displayed correctly if the input field was resized to the smallest size.
If ZennoPoster was relaunched after a crash, the project execution time in the scheduler doesn't shift.
Fixed the bug when sorting a table that was loaded from a file would result in saving changes to the file even if the corresponding checkbox wasn't checked in the settings.
Fixed scheduler's performance, when it stops working at 00:00.
ForceTouch now enables mobile device emulation so that scrolls are only visible during scrolling just like in a mobile browser.
Swipe display while viewing Yandex Metrics was fixed.
Fixed ReCaptcha2 recognition on several websites.
Fixed the logic of cancelling changes via Ctrl + Z in the “Custom JavaScript code” action. Previously this would cause the project changes to be rolled back instead of changes in the editor.
The ForceTouch behavior after pressing "Restart" in ProjectMaker has been fixed.
The automatic highlight of actions when copying and pasting has been returned.
Fixed the bug when the result would not be displayed in a variable in the browser mode when executing an HTTP request in the no browser mode in ProjectMaker.
The font settings for JavaScript for high-resolution screens are now applied correctly similar to C#.
Fixed sorting by the Time (ms) column in the Traffic monitor in ProjectMaker.
Fixed the bug when the "Save task ID to variable" and "Put to variable" rows would disappear in the reCAPTCHA recognition action in ProjectMaker.
Fixed the timeout performance when downloading large files via alternative ways of passing HTTP requests.
Fixed the bug when the "Project failed" error would occur after Bad End has been triggered in ProjectMaker.
Fixed the bug when the ReCaptcha2 recognition task would get mixed up when using CapMonster.dll -> In tab.
Fixed the bug regarding the length of recognition of ReCaptcha2 Invisible after it has been successfully solved.
Selecting projects in ZennoPoster via the Shift key has been fixed.
The "Open in ProjectMaker" button has been removed from ZennoBox.

ZennoLab Team

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Discussing version here.

Reporting bugs here.
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