Merge branch 'release-v1.68' into develop

changelog.d/13728.doc

changelog.d/13729.misc

changelog.d/13730.misc

changelog.d/13734.misc

changelog.d/13735.misc

changelog.d/13736.feature

changelog.d/13738.bugfix

changelog.d/13741.feature

changelog.d/13743.misc

changelog.d/13745.misc

changelog.d/13746.bugfix

changelog.d/13748.misc

changelog.d/13749.bugfix

changelog.d/13750.misc

changelog.d/13752.misc

changelog.d/13753.misc

changelog.d/13754.misc

changelog.d/13756.misc

changelog.d/13759.misc

changelog.d/13760.removal