Problem:    No good reason why text objects are only in larger builds.
Solution:   Graduate +textobjects.
https://github.com/vim/vim/commit/887748742deae3d6de7aa0fdbb042afe1ccf5e7a

Problem:    Search code not sufficiently tested.
Solution:   Add more tests. (Yegappan Lakshmanan, closes vim/vim#5999)
https://github.com/vim/vim/commit/224a5f17c6ec9e98322a4c6792ce4f9bb31a4cce

Cherry-pick test_charsearch.vim change from patch 8.2.0448.
Cherry-pick test_search.vim changes from patch 8.2.0619.

This is a port of these two patches combined:

vim-patch:8.1.1524: tests are silently skipped

Problem:    Tests are silently skipped.
Solution:   Throw an exception for skipped tests in more places.
https://github.com/vim/vim/commit/b0f94c1ff34d27d33aa9f96204985ea29c2eb0a1

vim-patch:8.1.1544: some balloon tests don't run when they can

Problem:    Some balloon tests don't run when they can.
Solution:   Split GUI balloon tests off into a separate file. (Ozaki Kiichi,
            closes vim/vim#4538)  Change the feature check into a command for
            consistency.
https://github.com/vim/vim/commit/b46fecd3454399f8ebdc5055302e4bfc5a10f98b

Omit test_lua.vim: previous patches are N/A
Omit test_memory_usage.vim: previous patches are N/A
Omit test_textprop.vim: previous patches are N/A
Omit test_winbar.vim: previous patches are N/A
Omit test_termcodes.vim: mostly N/A
Skip Test_mouse_positon() because it uses test_setmouse().
Cannot throw error in a Test_nocatch_ test.
Use latest `CheckFeature clipboard_working` for test_quotestar.vim

Problem:    Cannot select one character inside ().
Solution:   Do not try to extend the area if it is empty. (closes vim/vim#10472,
            closes vim/vim#6616)
https://github.com/vim/vim/commit/53737b5eeeab1f95964f78b055d6094fab559533

Problem:    Trailing backslash may cause reading past end of line.
Solution:   Check for NUL after backslash.
https://github.com/vim/vim/commit/53a70289c2712808e6d4e88927e03cac01b470dd

N/A patches for version.c:

vim-patch:8.2.4926: #ifdef for crypt feature around too many lines

Problem:    #ifdef for crypt feature around too many lines.
Solution:   Move code outside of #ifdef. (closes vim/vim#10388)
https://github.com/vim/vim/commit/51f0bc31d3cf512508419064faac0e5b7e52c98b

Problem:    ci" finds following string but ci< and others don't.
Solution:   When not inside an object find the start. (Connor Lane Smit,
            closes vim/vim#8670)
https://github.com/vim/vim/commit/b9115da4bec5e6cfff69da85cc47c42dd67e42e4

Problem:    Html text objects are not fully tested.
Solution:   Add tests for dbcs encoding and different number of backslashes.
            (Dominique Pellé, closes vim/vim#8831)
https://github.com/vim/vim/commit/af631f61bc42d0dddafe1bc0c06872cf3aaeb239

Cherry-pick Test_textobj_quote() and modeline from v8.2.0655.

Patch 8.1.0711 is too difficult to merge in 1 commit.

Problem:    "vat" does not select tags correctly over line break.
Solution:   Adjust the search pattern. (Aufar Gilbran, closes vim/vim#7136)
https://github.com/vim/vim/commit/a604ccc959c3bff88d3d5bc3c965819fc326d239

Use 'const char*' for spat,mpat,epat params of do_searchpair()
to reduce (char_u *) casts.

Cherry-pick Test_string_html_objects() changes from patch 8.2.0655.

Problem:    Moving to next sentence gets stuck on quote.
Solution:   When moving to the next sentence doesn't result in moving, advance
            a character and try again. (closes vim/vim#6291)
https://github.com/vim/vim/commit/2f03e5a0a9cfaabb01c57dd3348a05e86c26623c