Proofread status is not shown on index for some pages, mainly if a page was not edited since 2012 (but also for some newer pages), eg.:
https://pl.wikisource.org/wiki/Strona:PL_Nowodworski-Encyklopedia_koscielna_T.5_001.jpeg
https://pl.wikisource.org/wiki/Strona:PL_Nowodworski-Encyklopedia_koscielna_T.5_011.jpeg
https://pl.wikisource.org/wiki/Strona:PL_Nowodworski-Encyklopedia_koscielna_T.5_470.jpeg
The index page is:
https://pl.wikisource.org/wiki/Indeks:Encyklopedia_ko%C5%9Bcielna_(tom_V)
A page status became displayed after the page is null-edited (the null-edit is non-null in fact). Tested on
https://pl.wikisource.org/wiki/Strona:PL_Nowodworski-Encyklopedia_koscielna_T.5_003.jpeg
Some backward compatibility problem in proofreadpage?
{F23072597}
(in response to Billinghurst's request for a checklist) Add to the checklist and fill it in once the pages on each wiki have been refreshed:
[ ] ar (needs local rights)
[x] as
[ ] be (needs local rights)
[] bg (needs local rights)
[ ] bn (needs local rights)
[ ] br (needs local rights)
[ ] bs (needs local rights)
[ ] ca
[ ] cs (needs local rights)
[ ] cy (needs local rights)
[ ] da
[x] de
[ ] el
[ ] en
[x] eo
[ ] es
[ ] et
[x] eu
[ ] fa
[ ] fi
[ ] fr
[ ] gu
[ ] he
[ ] hr
[ ] hu
[ ] hy
[ ] id
[x] it
[ ] ja
[ ] kn
[ ] ko
[ ] la
[ ] ml
[ ] mr
[x] mul
[ ] nl
[x] no
[ ] or
[ ] pa
[x] pl
[ ] pt
[ ] ro
[ ] ru
[ ] sa
[ ] sl
[ ] sr
[ ] sv
[ ] ta
[ ] te
[ ] uk
[x] vec
[ ] vi
[ ] zh