libcups 3.0rc4

Author: michaelrsweet

_posts/2025-03-18-libcups-3.0rc4.md

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+---
+title: libcups v3.0rc4
+layout: single
+author: Mike
+excerpt: libcups v3.0rc4 is the fourth release candidate of the CUPS v3 library and tools which remove deprecated APIs, add new APIs, and normalize existing APIs.
+---
+
+libcups v3.0rc4 is the fourth release candidate of the CUPS v3 library and tools which remove deprecated APIs, add new APIs, and normalize existing APIs.  Changes include:
+
+- Added `cupsCopyCredentialsPublicKey` API.
+- Added `cupsGetClock` API.
+- Added `cupsJWTLoadCredentials` API.
+- Added "client.conf" man page.
+- Added `cups-oauth` and `cups-x509` utilities (Issue #108)
+- Updated documentation (Issue #99)
+- Updated `cupsDNSSD` APIs on Windows (Issue #29)
+- Updated the `ipptool` utility to support the `--bearer-token` and `--client-name` options.
+- Updated `cupsOAuthGetMetadata` to support Microsoft Azure/Entra OAuth servers.
+- Updated `ipptransform` to support generation of PCLm output in addition to PWG Raster data.
+- Updated `cupsEnumDests` and `cupsGetDests` to support printer browsing and filtering options in client.conf (Issue #106)
+- Fixed handling of finishings/finishings-col and media/media-col in the `ippeveprinter` tool (Issue #95)
+- Fixed a duplicate printer reporting bug in `cupsGetDests`.
+- Fixed handling of `NULL` path in `cupsSaveCredentials` API.
+- Fixed handling of default authorization strings.
+- Fixed validation of dateTime values with time zones more than UTC+11.
+
+Enjoy!
+
+* <a href="https://github.com/OpenPrinting/libcups/releases/tag/v3.0rc4" itemprop="sameAs" rel="nofollow noopener noreferrer"><i class="fas fa-fw fa-download" aria-hidden="true"></i>Download v3.0rc4</a>