New article introducing pimsync

content/blog/2025-01-08-pimsync-a-successor-to-vdirsyncer.md

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+---
+layout: post
+title: "pimsync: a successor to vdirsyncer"
+date: 2025-01-08
+categories: blog
+params:
+  author: WhyNotHugo
+---
+
+I previously posted about alpha and beta releases of the upcoming vdirsyncer
+rewrite. My intention was to call this re-implementation "vdirsyncer v2".
+
+I have since renamed this rewrite to `pimsync`. The main reasons for renaming
+are to better disambiguate between the previous project and this project,
+especially when in the context of issues, tutorials, and discussions in general.
+
+# Which one to choose
+
+`pimsync` is still missing some features from `vdirsyncer`, so the former is not
+yet deprecated. Users relying on features that haven't been ported there should
+use `vdirsyncer`. Otherwise, it is recommended to use `pimsync` instead.
+
+Features missing from pimsync that were present in vdirsyncer are covered in
+[the migration guide](https://pimsync.whynothugo.nl/pimsync-migration.7.html).
+
+Pimsync's main advantages are:
+
+- If synchronising a single item fails, it is skipped and `pimsync` continues
+  to process all other items. `vdirsyncer` aborts the rest of operation.
+- A new `daemon` command runs `pimsync` continuously in background, keeping
+  calendars and address books in sync. Currently it relies on polling the
+  storages, but work is ongoing to react to events instead.
+- `pimsync` can automatically create new collections without any intervention.
+- Dry runs are now possible. These allow inspecting which actions `pimsync`
+  would take without making any changes.
+- A lot of edge cases with regards to URL encoding are better handled.
+
+There are a lot of corner cases which `vdirsyncer` won't handle well but were
+kept in mind from the start for `pimsync`. Efforts are currently focused on the
+latter, and the former shall be deprecated eventually (once all key features
+have been ported).
+
+# Following development
+
+I post mostly status updates on [my personal blog][blog], which include more
+insight into the development process for this and other projects. For those
+only interested in new releases, I intend to continue publishing release notes
+here.
+
+[blog]: https://whynothugo.nl/