4.x
Merge pull request #24204 from georgthegreat:mser-license
Misc. typos
Merge pull request #25042 from mshabunin:doc-upgrade
Merge pull request #25986 from asmorkalov:as/js_for_contrib
Merge remote-tracking branch 'upstream/3.4' into merge-3.4
Merge pull request #26022 from Kumataro:fix26016
Merge pull request #25424 from mshabunin:fix-features2d-test