2.12 release notes

[Gallaecio]

There are no short-term plans for a release, this is just to get an idea of what we have in the main branch so far.

[codecov]

Codecov Report

Merging #6226 (23ca093) into master (c5fdba9) will increase coverage by 0.04%.
Report is 1 commits behind head on master.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6226      +/-   ##
==========================================
+ Coverage   88.59%   88.64%   +0.04%     
==========================================
  Files         161      161              
  Lines       11761    11761              
  Branches     1907     1905       -2     
==========================================
+ Hits        10420    10425       +5     
+ Misses       1011     1008       -3     
+ Partials      330      328       -2     

Files	Coverage Δ
scrapy/crawler.py	89.17% <ø> (ø)
scrapy/extensions/feedexport.py	96.34% <100.00%> (+1.32%)	⬆️
scrapy/pipelines/media.py	99.17% <ø> (-0.01%)	⬇️
scrapy/utils/misc.py	98.69% <ø> (ø)
scrapy/utils/python.py	88.67% <100.00%> (ø)

... and 1 file with indirect coverage changes