There are hardly any seats left which haven't selected a Labour candidate at this point. All of the safe seats were done ages ago. The handful that are left vacant are all the absolute no-hopers for Labour where nobody really cares who the candidate is because they're not going to win anyway.
Any detectors hoping to go that route have long since missed the boat. They'd have had to have jumped ship a year or two ago.
If anyone is wondering, these aren't (really) new pledges, they're just a voter-friendly glossy repackaging of material that they've already published in greater detail elsewhere. So for anyone saying "this is all so vague, what does it all mean?", you can dive into the full detail at the links below.
The website for all their policies is here:
https://labour.org.uk/missions/
The high-level mini-manifesto is here:
https://labour.org.uk/wp-content/uploads/2024/04/Lets-Get-Britains-Future-Back.pdf
There are specific policy packs on each of their areas too.
The economy:
https://labour.org.uk/wp-content/uploads/2023/09/Mission-Economy.pdf
Energy:
https://labour.org.uk/wp-content/uploads/2024/03/Make-Britain-a-Clean-Energy-Superpower.pdf
NHS and related:
https://labour.org.uk/wp-content/uploads/2023/05/Mission-Public-Services.pdf
Crime:
https://labour.org.uk/wp-content/uploads/2023/03/Mission-Safety.pdf
Education and related:
https://labour.org.uk/wp-content/uploads/2023/07/Mission-breaking-down-barriers.pdf
I think everything in these new "pledges" was already in the policy documents above with the possible exception of the "Border Security Command" thing, which is compatible with what they already announced but with a different name and a slightly different spin. That was announced properly last week, and the press release for it with a bit more detail is here:
https://labour.org.uk/updates/stories/labours-immigration-and-border-policy-stop-small-boats/