Merge branch 'release-v1.68' into develop

changelog.d/13761.misc

changelog.d/13763.misc

changelog.d/13765.misc

changelog.d/13766.bugfix

changelog.d/13769.misc

changelog.d/13770.misc

changelog.d/13778.misc

changelog.d/13780.misc

changelog.d/13784.misc

changelog.d/13785.doc

changelog.d/13788.misc

changelog.d/13789.bugfix

changelog.d/13791.removal

changelog.d/13794.doc

changelog.d/13795.misc

changelog.d/13798.misc

changelog.d/13801.feature

changelog.d/13802.misc

changelog.d/13808.misc

changelog.d/13810.feature