2026-04.html.j2 (5454B)
1 {% extends "common/news.j2" %} 2 {% block body_content %} 3 <h1>2026-03: GNU Taler v1.5 released</h1> 4 <p> 5 We are happy to announce the release of GNU Taler v1.5. 6 </p> 7 <p> 8 This release focuses on getting everything the system ready 9 for wide-spread use in particular by adding various features 10 requested by merchants and improving the user experience. 11 </p> 12 <h4>About GNU Taler</h4> 13 <p> 14 GNU Taler is a Free Software payment system that preserves the privacy of 15 payers while ensuring that income is visible to authorities. Regulated 16 payment service providers use the Taler protocol to issue digital cash 17 denominated in a fiat currency. The digital cash tokens are stored in 18 electronic <a href="https://wallet.taler.net/">wallets</a> under the full 19 control of its respective owner. The payment service provider has an escrow 20 bank account holding the equivalent of all digital cash in circulation. 21 </p> 22 <p> 23 Merchants redeeming digital cash receive aggregate transactions over the 24 respective amount into their regular bank account. Digital cash transactions 25 happen basically instantly, and must be performed online to prevent 26 double-spending. 27 </p> 28 <p> 29 Support exists for <a 30 href="https://www.taler.net/papers/suerf2023en.pdf">offline 31 points-of-sales</a> to accept transactions where only the customer is 32 online. GNU Taler is <a href="https://www.taler.net/papers/boss2022thesis.pdf"> 33 scalable</a> and technologically suitable for 34 regional currencies (such as <a href="https://netzbon.ch/">eNetzbon</a>), 35 commercial deployments (such as <a href="https://taler-ops.ch/">Taler 36 Operations AG</a>) or <a 37 href="https://www.snb.ch/en/mmr/papers/id/working_paper_2021_03">central bank 38 digital currencies (CBDC)</a>. 39 </p> 40 <h4>Changes in GNU Taler v1.5</h4> 41 <p> 42 For GNU Taler v1.5 we addressed over 100 individual issues. Our bug tracker 43 has <a href="https://bugs.gnunet.org/changelog_page.php?version_id=449">the list</a>. 44 Notable changes include: 45 </p> 46 <ul> 47 <li>NEW: Support for Cyclos in the wallets</li> 48 <li>NEW: Detailed report generation for orders in the merchant backend</li> 49 <li>NEW: Support for custom wire transfer subjects on settlement</li> 50 <li>NEW: Cleaned up libtalerexchange C API</li> 51 <li>Bugfix: Support using the same bank account with multiple merchant instances or backends</li> 52 <li>Various user experience improvements</li> 53 </ul> 54 <p> 55 Our work is co-funded by the European Commission and the Swiss State Secretariat for Education, Research and 56 Innovation (SERI) as part of the <a href="https://ngi.taler.net/">NGI TALER</a> project. 57 </p> 58 59 <h4>Download links</h4> 60 <p> 61 The wallets have their own download site <a 62 href="https://wallet.taler.net/">here</a>. The exchange, merchant backend, 63 sync and bank components are distributed via the GNU FTP mirrors. 64 </p> 65 <ul> 66 <li><a href="http://ftpmirror.gnu.org/taler/taler-exchange-1.5.0.tar.gz">http://ftpmirror.gnu.org/taler/taler-exchange-1.5.0.tar.gz</a></li> 67 <li><a href="http://ftpmirror.gnu.org/taler/taler-exchange-1.5.0.tar.gz.sig">http://ftpmirror.gnu.org/taler/taler-exchange-1.5.0.tar.gz.sig</a></li> 68 <li><a href="http://ftpmirror.gnu.org/taler/taler-merchant-1.5.0.tar.gz">http://ftpmirror.gnu.org/taler/taler-merchant-1.5.0.tar.gz</a></li> 69 <li><a href="http://ftpmirror.gnu.org/taler/taler-merchant-1.5.0.tar.gz.sig">http://ftpmirror.gnu.org/taler/taler-merchant-1.5.0.tar.gz.sig</a></li> 70 <li><a href="http://ftpmirror.gnu.org/taler/taler-wallet-1.5.0.tar.gz">http://ftpmirror.gnu.org/taler/taler-wallet-1.5.0.tar.gz</a></li> 71 <li><a href="http://ftpmirror.gnu.org/taler/taler-wallet-1.5.0.tar.gz.sig">http://ftpmirror.gnu.org/taler/taler-wallet-1.5.0.tar.gz.sig</a></li> 72 <li><a href="http://ftpmirror.gnu.org/taler/libeufin-1.5.0.tar.gz">http://ftpmirror.gnu.org/taler/libeufin-1.5.0.tar.gz</a></li> 73 <li><a href="http://ftpmirror.gnu.org/taler/libeufin-1.5.0.tar.gz.sig">http://ftpmirror.gnu.org/taler/libeufin-1.5.0.tar.gz.sig</a></li> 74 <li><a href="http://ftpmirror.gnu.org/taler/sync-1.3.0.tar.gz">http://ftpmirror.gnu.org/taler/sync-1.3.0.tar.gz</a></li> 75 <li><a href="http://ftpmirror.gnu.org/taler/sync-1.3.0.tar.gz.sig">http://ftpmirror.gnu.org/taler/sync-1.3.0.tar.gz.sig</a></li> 76 <li><a href="http://ftpmirror.gnu.org/taler/taler-mdb-1.4.0.tar.gz">http://ftpmirror.gnu.org/taler/taler-mdb-1.4.0.tar.gz</a></li> 77 <li><a href="http://ftpmirror.gnu.org/taler/taler-mdb-1.4.0.tar.gz.sig">http://ftpmirror.gnu.org/taler/taler-mdb-1.4.0.tar.gz.sig</a></li> 78 <li><a href="http://ftpmirror.gnu.org/taler/taler-twister-1.1.0.tar.gz">http://ftpmirror.gnu.org/taler/taler-twister-1.1.0.tar.gz</a></li> 79 <li><a href="http://ftpmirror.gnu.org/taler/taler-twister-1.1.0.tar.gz.sig">http://ftpmirror.gnu.org/taler/taler-twister-1.1.0.tar.gz.sig</a></li> 80 <li><a href="http://ftpmirror.gnu.org/taler/challenger-1.5.0.tar.gz">http://ftpmirror.gnu.org/taler/challenger-1.5.0.tar.gz</a></li> 81 <li><a href="http://ftpmirror.gnu.org/taler/challenger-1.5.0.tar.gz.sig">http://ftpmirror.gnu.org/taler/challenger-1.5.0.tar.gz.sig</a></li> 82 <li><a href="http://ftpmirror.gnu.org/taler/donau-1.4.0.tar.gz">http://ftpmirror.gnu.org/taler/donau-1.4.0.tar.gz</a></li> 83 <li><a href="http://ftpmirror.gnu.org/taler/donau-1.4.0.tar.gz.sig">http://ftpmirror.gnu.org/taler/donau-1.4.0.tar.gz.sig</a></li> 84 </ul> 85 <p> 86 You must first install <a href="https://gnunet.org/">GNUnet v0.26.2</a> or the current Git master to compile GNU Taler v1.5 from source. 87 </p> 88 {% endblock body_content %}