Latest updated of Google ?
 

Is there any new update in Google search algorithm ? Last night we have seen massive drop in rankings ?

yes here is some update info 2018 seo: Seo full guide 2018

Most recent entries: Google March 28th Algorithm Ranking Update? | March 29, 2018; Google's Mobile First Indexing Is Unrelated To Weekend Algorithm Update.

Yes. There was recent update in the google algorithm which has affected the keywords ranking.

Google has launched its update in March 2018 and it is related to the indexing

On your computer, open Chrome.
At the top right, click More .
Click Update Google Chrome. If you don't see this button, you're on the latest version.
Click Relaunch.

As per my knowledge, the latest Google update is Maccabees update, which targets the website which are having more repetitive keywords on a page or using extensive ads on their pages.

Rank Brain Algorithm is the latest updates launched by Google.

Google announced that the mobile-first index was finally "rolling out." Since the index has been in testing for many months, and Google has suggested they are migrating sites gradually, it's unclear how much impact this specific roll-out had on the overall index. Webmaster should begin to see notifications within Google Search Console.

Most recent entries: Google March 28th Algorithm Ranking Update? | March 29, 2018; Google's Mobile First Indexing Is Unrelated To Weekend Algorithm Update.

The 2020 Core Update was the last major update of 2020 and the first major update since May of that year. Like all of Google's core updates, the December 2020 core update was wide-reaching, impacting websites and SEO across all languages.

Latest updated of Google ?
 

Update Name Date first Rolled Out Confirmed by Google
Google Update February 2020 February 7, 2020 Yes and no
Google January 2020 Core Update January 13, 2020 Yes
Google Update November 2019 November 7, 2019 Yes
Google BERT Update October 24, 2019 Yes