Documentation: update availability information of Custom Operators section

[anslpa]

No description provided.

[codecov]

Codecov Report

Merging #1072 (6d615fc) into master (6267e78) will decrease coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1072      +/-   ##
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- Coverage   88.14%   88.05%   -0.09%     
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  Files          78       78              
  Lines        8998     8998              
==========================================
- Hits         7931     7923       -8     
- Misses       1067     1075       +8     

[PProfizi]

@anslpa are we really going to have to update that every time? Can't we find a way to explain this without having to update at each release?

[anslpa]

@anslpa are we really going to have to update that every time? Can't we find a way to explain this without having to update at each release?

This is not an "update", this is a fix (python operators where available from 23.1, not from 22.1)

[janvonrickenbach]

@anslpa I think this should be fixed for older versions of the documentation (0.7, 0.6 etc) as well. Currently I see this only fixed for the "dev" version of the documentation.