Dear users!

We are proud to announce a new update for UVPackmaster 3 for Blender (version 3.1.5). Of course you get this update for free, if you already purchased UVPackmaster 3 - you can download the latest version of the packer from your library on Gumroad. At the very end of this message we are also including upgrade instructions for the UVPM 2 and UVPM 1 users.

Release 3.1.5

We are very excited about this release as it introduces the first phase of performance optimizations of the packing algorithm. You can expect packing times reduced by 20-30% on CPU and by 30-40% on GPU! And it is the result of the first phase only - expect further performance improvements in coming releases :)

Of course it is not the only improvement we prepared for you in this release. Check the list below:

new option for Groups To Tiles mode: Pack To Single Box - force every group to be packed into a single target box (one of the target boxes configured for the group). Note that different groups may still be packed into different boxes, also different groups may be packed into the same box. The option can be set globally (for every group) but it also can be overridden on a per-group basis.
new operator: Group By Similarity: group all selected islands by similarity and save generated groups in a grouping scheme. The resulting grouping scheme can be then used during packing in the usual way. The operator is fully compatible with all similarity-based options provided by the packer. Refer to our video tutorial describing the options in detail.
The Group By Similarity operator is available in the Aligning Tools mode:
new Group Layout Mode setting for the Groups To Tiles mode: Tile Grid.
improved convergence of the pixel margin algorithm - the algorithm now needs less iterations to finish packing.
in order to simplify the learning process for new users, the packer now shows various usage tips in output:
If you are an advanced user, you can disable such tips in the packer global options (the Disable Tips option):
new operator Remove UVPM Data From Objects: remove UVPM data from selected objects (UVPM color attributes). The operator is available in the Other Tools mode:
IMPORTANT change for users who manually embed the engine in the addon (as described here) in order to simplify the process, the required engine folder name is now engine3 (instead of uvpm). Thanks to that, one doesn’t have to rename the engine folder after moving it into the addon folder.

BUG FIXES:

fix the OpenGL warning on all platforms.
fix a bug causing a rare inconsistent islands error when running Split Overlapping Islands.
fix a bug resulting in an occasional packer hang when very large islands were provided as operation input.
fix a bug causing a packer error when the Flipping Enable option was used together with the Stack Groups functionality.

As always you get this update for free, if you already purchased UVPackmaster 3 - you can download the latest version of the packer from your library on Gumroad.

GET UVPACKMASTER

Upgrading from an old version of UVPackmaster (1 or 2)

Since the beginning of the project, one of the main rules we follow is that the user doesn’t have to pay twice for the same thing. It means that when you want to make an upgrade to a more expensive license, you only need to pay the difference between the new license price and the price you originally paid.

In order to get a discount code for UVPackmaster 3 on Gumroad, write to us directly at upgrade@uvpackmaster.com. Make sure you write to us from the actual email address you used to purchase a previous version of UVPackmaster (otherwise the code won't be generated).

Also keep in mind that it may take up to 24 hours for our system to send the code back to you. If you don’t see the message in your inbox, check also your spam folder (discount code messages are sometimes classified as spam).

Thank you for your support!

UVPackmaster team

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New UVPackmaster tradition - new release comes with a new tutorial!

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