From Raken Support (thanks to Marshall)
"This is an issue that our engineering team is aware of and working on a resolution for.
We appreciate your patience as our team works through this and gets a fix deployed.
In the meantime, if you have any additional questions, please don't hesitate to reach back out. This chat will remain open for us to communicate."
Until this issue is resolved, please use the website to submit your worklogs for Raken. This issue appears to be isolated to the Worklogs. Notes & Attachments appear to be syncing normally.
I will update when Raken confirms that this issue is resovled.