As of May 25th, the new European Data Protection Regulation is applicable in all EU member states to harmonize data privacy laws across Europe. It is a good thing, I have turned to my favourite computer geeks to convince me of this.
And blogger recommends that I inform my readers re comments:
If users leave comments or other contributions, their IP addresses are stored for seven days. This is for our own safety, if someone leaves illegal content in comments and contributions (insults, prohibited political propaganda, etc.). In this case, we ourselves can be prosecuted for the comment or post and are therefore interested in the identity of the author.
I also had a very nice email from a blogger nerd explaining why I can no longer receive email notifications when there are comments to my blog posts waiting for approval - I didn't quite understand why this is so but the email was ever so nice so I must assume this is surely due to a shortcoming in my digital understanding department.
For now and eternity, I probably have to always go to the blogger dashboard and check and click and run around the garden three times etc. - so be patient if your comment takes time to appear and be forgiving if a comment has been lost in the past.