Learn how to resolve jQuery incompatibility issues with plug-ins (hpbseo, Transposh, Classic Editor, etc.) that were affected by upgrading to WordPress 5.5, and the removal of line breaks tags in the visual editor. In the phase upgrade to WordPress 5.6/5.7, we will also provide examples of corrections to the description obsolete in jQuery 3.0 warned by jQuery Migration.
WordPress 5.5/5.7/6.0 へのアップグレードでクラシックエディタなどのプラグインが動かなくなった問題について（HPBテーマ & hpbseo、biz calendar等の jQuery 3.0 非互換対策）
