Photos 2015

Question

I upgraded to Photos 2015.
It creates a new library for pictures, duplicating the one from Iphoto.
Is it safe to cancel the Iphoto library and Iphoto itself?
In Photos I noticed that the videos (mpg files) that were working in Iphoto are not working any longer.
And where do the pictures deleted go in Photos? No trash?

Answer 1

I would still update and maybe try this this is what I did and it worked for me -
HI,
Maybe try it this way this is what I did with mine because I did not migrate and didn't know about that either.
and really have the sidebar so because it will help you get the pictures organized
Photos application for Mac Instructions that might help!
On your iPad,iPhone keep the iCloud on in settings for Photos.
if you have not opened the New Photos application yet to have it transfer your photos from iPhoto let it Transfer the Pictures.
once you have all the pictures from iPhoto to Photos then in Photos go to Preferences
there is general and iCloud tab and go to the iCloud and only uncheck the iCloud button that will make it so it doesn't sync with your iPhone and iPad for Photos.
Then in Photos go up to View and press show sidebar because with that view you can move your pictures easier to albums snd delete or move any pictures or make new albums
For Duplicates if you have a big pile in a row and I mean not like every other picture of the same pictures on the keyboard Hold down the shift button. or the other way is to Hold down the Command buttom that is right by the space bar then on the trackpad or mouse click once on the picture you want to delete and do a bunch at a time then on the last picture of that pile either right click the picture and delete or go up to the edit button which is next to file on the top left and click delete in edit. 
when you are all done with moving around your pictures or whatever go back to Preferences and turn on iCloud and make sure you have the optimize Mac Storage and then you are done! I hope this makes sense and works for you! here are the 2 pictures I'm talking about in settings.