# January '25 Product Updates
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New override mode for blocks, new export modal, new options for annotations, etc: January kicks off 2025 with a whole lot of new, much-needed additions.
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**List of January features...**
* New **`override`** option on blocks.
* New options on annotation style.
* New **`save snapshot`** feature.
* New ability to **swap** block instances in place.
* New **class**, in-app, by Thomas Rowntree.
* 450+ new blocks added this month.
For a more in-depth look at Rayon's features → check our [documentation](https://docs.rayon.design/documentation/rayon-documentation).
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## **New block override**
From now on, blocks in Rayon will be both **editable** and **overridable**; that means that a block instance can be customized, without having to be detached from its definition. More on this feature [here](https://docs.rayon.design/documentation/design/blocks#editing-vs-overriding-blocks).
## New annotation style options
Annotation now allow users to decide how to place leader's and dimension's texts, by controlling the annotation **`gap`**, **`rotation`** and **`position`**.
## Save snapshot feature
We added this month a new **save option**, allowing users to capture a model snapshot, give it a name and save it to their model history. This feature can be found by clicking on **`+`** in the history panel, or by hitting **`CMD`** + **`S`**
## In-place block swap
Rayon now offers the ability for users to exchange a block for another, directly on the canvas. More on this feature [here](https://docs.rayon.design/documentation/design/blocks).
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## Thomas Rowntree's new class
We worked this month with Thomas Rowntree, architect and educator, to build **a 12 lesson lecture series**, teaching how to go from 0 to 1 for any typical architectural project. The class can be found in the [Tutorial section](https://www.rayon.design/app/files/tutorials) of the app.
## January libraries
Everything we shipped this month, and available today in the app...
* Medical equipment block library
* Surgery room block library
* Examination room block library
* Hospital people block library
* Restaurant block library (kitchen, etc)
***
## **Any questions?**
Feel free to email us at
For a more in-depth look at Rayon's features, check out our [documentation](https://docs.rayon.design/documentation/rayon-documentation) 🔗
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