Merge the current state of the feature branch into develop.
The feature branch includes the following commits:

6197ada6c5 WT-12494 Checkpoint target option: remove documentation and close old tickets (#10937)
d6bba5cc03 WT-12493 Checkpoint target option: remove feature (#10934)
4ea91dac1b WT-12492 WT-12492 Checkpoint target option: remove tests and examples (#10932)
604715ac35 WT-12481 Custom extractors: remove docs (#10922)
6a210f1606 WT-12480 Remove custom extractors (#10884)
9b4a22f144 WT-12479 Custom extractors: remove tests and examples (#10851)
1cefe0e4ac WT-13286 Remove string in string.ok and test join02 and 07 from evergreen (#10880)
f19ac55bec WT-12502 Removing direct io from documentation (#10809)
2676dd35f5 WT-13227 Remove directio adjacent buffer alignment code (#10836)
95c94e593f s_string -r
bd3fd0aead WT-12471 Remove log-based incremental backup documentation (#10802)
7552ff2046 Revert "Revert "WT-12462 Remove rename api docs and instances (#10355)" (#10719)"
d2212251dc Revert "WT-13171 Revert "WT-12460 Remove session rename feature (#10306)" (#10734)"
e09458dde6 Revert "WT-13172 Revert "WT-12459 Remove session rename tests and testing frameworks (#10282)" (#10756)"
5f79c8ddde WT-12470 Remove log based incremental backup (#10441)
9f0c1aa6db WT-12501 Remove directio feature (#10430)
98dc6d7061 WT-12488 Session join API: remove documentation and close old tickets (#10432)
65a512d651 WT-12487 Session join API: remove feature including __wt_bloom_inmem_get() and __wt_bloom_intersection() (#10415)
baea7fcce0 WT-12469 Remove log-based incremental backup tests/examples (#10405)
8514964c49 WT-12486 Session join API: Remove tests examples (#10372)
66e50561ab WT-12500 Remove direct_io tests and examples (#10387)
39c99e3f9a WT-12472 remove projections tests and examples (#10388)

The existing changes will be included in the future 12.0.0 WiredTiger release.