Related to the discussion above:

The 4th photo shows the north half of the tracks are on a bridge, but the south half is not.

I don't think the south half of the GO tracks is a bridge. ie, there are no openings for the future Broadview extension. See kotsy's pics here: https://urbantoronto.ca/forum/threads/toronto-east-harbour-go-ontario-line-station-14-35m-1s-metrolinx-hdr.33517/post-2269449

My apologies if these were posted here before but I don't think I've seen them before. Gerard station and portal: Minton place EEB and portal: Don Valley Crossing:

it was announced officially in a press release here

There's soil testing right now at the Petro-Canada gas station on the southwest corner of Bathurst-Sheppard (4384 Bathurst St.). Not sure if related to the potential subway extension or to some unknown private development.

Province Begins Tunnelling Ontario Line TORONTO — The Ontario government has officially started tunnelling the Ontario Line, marking a major milestone in the province’s plan to protect Ontario by building fast, reliable and affordable public transit. With construction underway across the full...

The press kit images make the new station names official: https://news.ontario.ca/en/epk/1007303/electronic-press-kit-now-available-province-begins-tunnelling-ontario-line

link here

Metrolinx came up with some new station names, I like them.