LinkedIn, one of the most popular social network services, gave a press release back in December 2018 about their latest update from the web development department.
To quote, this is a part of the official press release they published:
As of May 1, 2019, Version 1.0 of our API is no longer supported. Applications requesting Version 1.0 APIs may experience issues as we begin to remove services. To find the latest updates, go to the new LinkedIn Developers site at https://www.linkedin.com/developers/. You can learn more about our Version 2.0 APIs, our developer program, and how to migrate your apps.
You can read the entire press release here.
Regarding this announcement, the development team at Populizr is happy to announce that we have successfully migrated to Version 2.0.
You can continue using Populizr app for posting on LinkedIn the same way you did before the update.
The team of Populizr is always prepared to act upon the upcoming updates.