Chrome for Desktop 79 was released yesterday.

This release includes a fix of the problem that we couldn't print out correct screen image of webclass text marterials, question materials and so on.

Release schedules of Chrome browser

You can see the schedules below.


You can see the release notes of chrome browser. Remember you should find the title of"Stable Channel Update for Desktop" because the other product channel's one is also listed.

When it comes to the release note of Chrome 79, here is a url.

Acording to the page above, there are few text about functional changes instead of a number of security fixes.

For developer, here is a index page of reports about Chrome 79.

Then, this is a new in chrome 79.

This is a report about JavaScript engine changes.

This is a CSS/JS Platform API changes.

This is a report about the removed or deprecated things.

The developer tools improved.

Pickup for webclass

Acording to the release notes, I think there are nothing special of changes to prepare for using webclass.

I'd like to let you know that the problem on printing pages impremented with frame has been fixed.


The articles said that the network tab on Chrome DevTools was updated.

We can check the reason of blocked cookie and requested network resources. That sounds great. I'll try to use.



Firefox Desktop Browser 71 was released yesterday.

Firefox release schedules

Firefox release calendar


Mozilla provides two release notes. One is for users and the other is for developers.

Firefox 71 release note

Firefox 71 release note for developers

The release note for developers lists news and changes on APIs or developer tools that may be used by web contents developers or firefox plugin developes.

You can get overview of the new release changes and prepare to manage influence on WebClass functions or your learning materials.

Pickup for webclass

I think there is nothing special to do for using WebClass with new firefox.

Acording to the release note, firefox has original mp3 audio decoder and play mp3 with it from this version.


Mozilla provides a faq page to fix audio and video playing issues.

And there is a summary page of firefox html5 audio and video format.