added 15 commits

• 71170e62...77fb1c5d - 14 commits from branch release_sp3
• c8260271 - Merge branch 'release_sp3' into 'origin/develop_collaborationUI'

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LGTM です。

assigned to @miura-t

assigned to @lee-mk

changed the description

marked the task @kim-p as completed

marked the task @lee-mk as completed

assigned to @miura-t

merged

mentioned in commit 9ca6a036