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August 2026 Osmocom CNI releases
by Pau Espin Pedrol 21 Aug '26

21 Aug '26

Hello all, the Osmocom project has released new version 202608 of the CNI (Cellular Network Infrastructure) software. Those new tagged/released versions contain up to 6-8 months of work since the previous versions released through December 2025 and February 2026. Some projects already got some intermediate releases since then. This set of releases contain some new features, but mostly lots of bug fixing, including multiple fixes for security vulnerabilities. See https://osmocom.org/news/332 for details. Thanks to everybody who has contributed to these releases! Best regards, Pau -- - Pau Espin Pedrol <pespin(a)sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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libosmocore 1.14.0 released
by Oliver Smith 15 Apr '26

15 Apr '26

Hi all, we just released libosmocore 1.14.0. The changelog over 1.13.1 is as follows: libosmocore (1.14.0) unstable; urgency=medium [ Eric Wild ] * core: fix config.h [ Vadim Yanitskiy ] * gsup: encode_pdp_info(): fix wrong pdp_address index * socket: osmo_sockaddr_from_str_and_uint(): fix memleak * stats: osmo_stats_reporter_udp_open(): fix unconditional jump * gsm48: fix missing/misspelled value-strings * gsm48: remove duplicate GSM48_MT_RR_HANDO_INFO * gsmtap_util: gsmtap_gsm_channel_names[]: fix PTCCH string * netdev: netdev_mnl_set_mtu(): drop unneeded variables [ Pau Espin Pedrol ] * osmo_io: Rewrite iofd_handle_send_completion() to fix multiple issues * osmo_io: Fix msgb memleak if iofd is unregistered during write_cb with >1 io buffers * netdev: Add API osmo_netdev_del_addr() * tun: Fix typo in log line and comment -- Oliver Smith <osmith(a)sysmocom.de> Wed, 15 Apr 2026 11:48:23 +0200 Best regards, Oliver -- - Oliver Smith <osmith(a)sysmocom.de> https://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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Several minor and patch releases for Osmocom CNI
by Pau Espin Pedrol 19 Feb '26

19 Feb '26

Hi All, New minor releases for libosmocore and osmo-bts, patch releases for osmo-bsc, osmo-cbc and osmo-hnbgw. See https://osmocom.org/news/322 for more details. -- - Pau Espin Pedrol <pespin(a)sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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December 2025 Osmocom CNI releases
by Pau Espin Pedrol 05 Dec '25

05 Dec '25

Hello all, the Osmocom project has released new version 202512 of the CNI (Cellular Network Infrastructure) software. TThose new tagged/released versions contain up to 10 months of work since the previous versions released during February 2025. Some projects already got some intermediate releases since then. See https://osmocom.org/news/319 for details. Thanks to everybody who has contributed to these releases! Best regards, Pau -- - Pau Espin Pedrol <pespin(a)sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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Binary packages feeds: GPG key extended / osmocom-keyring
by Oliver Smith 24 Oct '25

24 Oct '25

Hi all, the GPG key for signing the official Osmocom binary packages has been extended. The old key will expire on 2026-10-16. In order to make the process of updating the keys more convenient for users of the binary package feeds, we have introduced the osmocom-keyring package. This package installs the current key to /usr/share/osmocom-keyring/osmocom.asc and gets updated with an extended key about a year before the last key expires. As long as you update the osmocom-keyring package at least once a year, you will automatically have an up-to-date key. If you should miss the time window, you can update the key as described in the binary packages wiki page. If you have manually set up the binary package feeds on your system with previous wiki instructions, follow the steps listed here: https://osmocom.org/news/318 Best regards, Oliver -- - Oliver Smith <osmith(a)sysmocom.de> https://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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osmo-bsc 1.13.2 released
by Pau Espin Pedrol 02 Sep '25

02 Sep '25

Hi all, We just prepared an osmo-bsc patch release 1.13.2 which contains fixes for important regressions which were introduced during 1.12.1->1.13.0 development phase and hence are present both in 1.13.0 and 1.13.1 releases. If you are running any of those 2 versions, we urge you to update to 1.13.2 as soon as possible to avoid potential service outage: More info: https://osmocom.org/news/312 -- - Pau Espin Pedrol <pespin(a)sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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Several minor Osmocom releases
by Oliver Smith 27 Aug '25

27 Aug '25

Hi all, we have released new versions of libosmocore, libosmo-netif, libosmo-gprs, osmo-bsc, osmo-msc, osmo-pcu and osmo-remsim. The main purpose of these releases was getting build fixes for Debian 13 32-bit architectures into the latest package feed, but while at it we have added other fixes (and in case of osmo-msc some minor features) as well. Find the full changelogs here: https://osmocom.org/news/311 -- - Oliver Smith <osmith(a)sysmocom.de> https://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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osmo-s1gw 0.3.0 and osmo_dia2gsup 0.3.3 released
by Oliver Smith 25 Apr '25

25 Apr '25

Hi all, we have tagged releases for osmo-s1gw and osmo_dia2gsup. The changelogs are as follows: osmo-s1gw: > osmo-s1gw (0.3.0) unstable; urgency=medium > > * s1ap_proxy: merge process_pdu_safe() with process_pdu() > * s1ap_proxy: do not expose {en,de}code_pdu() API > * s1ap_proxy: turn this module into a gen_server > * s1ap_proxy: add E-RAB introspection API > * erab_fsm: rename erab_release_req/1 -> erab_release_cmd/1 > * erab_fsm: add erab_release/2 and erab_release_ind/1 > * s1ap_proxy: properly handle E-RAB RELEASE IND > * erab_fsm: add all-state event handler > * erab_fsm: add fetch_info/1 for state introspection > * sctp_server: add type hints > * sctp_server: cosmetic: use ?FUNCTION_NAME in send_data/2 > * sctp_server: pass MME addr/port to sctp_proxy as opaque data > * sctp_server: cosmetic: rename State -> S > * sctp_server: cosmetic: make #server_state last argument > * sctp_server: pass #server_state to client_{add,del}() > * sctp_server: make it abstract from sctp_proxy logic > * sctp_server: add fetch_conn_list/0 for state introspection > * sctp_proxy: add all-state event handler > * sctp_proxy: add fetch_info/1 for state introspection > * s1ap_proxy: use erab_uid() to log unique E-RAB ID > * s1ap_proxy: add a TODO about an optional IE > * s1ap_proxy: rework handle_ie/2 into handle_ie/3 > * s1ap_proxy: handle_ies(): reorder arguments > * s1ap_proxy: handle_ies(): pass IEI path to handle_ie() > * s1ap_proxy: handle_ies(): also handle #'ProtocolExtensionField' > * erab_fsm: store UID, expose it via fetch_info/1 > * erab_fsm: session_modify(): split PFCP PDU handling > * s1ap_proxy: cosmetic: fix wrong arity in comment > * s1ap_proxy: fix IEI path leak in handle_ies/4 > * erab_fsm: fix copy-paste in a log message > * erab_fsm: add more logging to clarify timeout events > * rebar.config: remove unneeded parse_transform > * erab_fsm: add pretty printer for F-TEID > * s1ap_proxy: handle UE CONTEXT RELEASE PDUs > * osmo_s1gw.app.src: set 'vsn' to 'semver' > * rebar.config: cosmetic: use spaces, not tabs > * rebar.config: relx: fix release name (must be an atom) > * rebar.config: relx: generate the version automatically > * {erab_fsm,sctp_proxy}: handle_event/4: fix return value > * {erab_fsm,sctp_proxy}: handle_event/4: reply to unknown calls > * erab_fsm: make erab_release_{cmd,ind}/1 non-blocking > * erab_fsm: handle RELEASE.{cmd,ind} in state erab_wait_setup_rsp > * erab_fsm: handle RELEASE.ind in state erab_wait_release_rsp > * erab_fsm: implement E-RAB MODIFY Req/Rsp procedure > * erab_fsm: implement E-RAB MODIFY Ind/Cnf procedure > * erab_fsm: pretty-print U2CM and U2AM during MODIFY Req/Ind > * s1ap_proxy: catch exceptions in handle_pdu/2 > * s1ap_proxy: handle E-RAB MODIFY REQ/RSP > * s1ap_proxy: handle E-RAB MODIFICATION IND/CNF > * s1ap_proxy: increment *_IN_PKT_* counters on exception > * sctp_server: invalidate handler's Pid on 'EXIT' > * sctp_{server,proxy}: log SCTP TSN, SID, SSN, and data len > * sctp_common: new module with common SCTP/S1AP API > * s1gw_metrics: use lists:filter/2 to create counters/gauges > * sctp_{client,server}: disable Nagle by setting sctp_nodelay > * s1gw_metrics: make exometer_report_statsd less verbose > * sctp_{client,server}: add and use sctp_common:parse_addr/1 > * sctp_{client,server}: accept arguments in form of a map > * sctp_{client,server}: allow passing additional sockopts > * sctp_{client,server}: make sctp_nodelay configurable > * sctp_{client,server}: set sndbuf/recbuf explicitly > > -- Vadim Yanitskiy <vyanitskiy(a)sysmocom.de> Fri, 18 Apr 2025 02:56:33 +0700 osmo_dia2gsup: > osmo-diameter2gsup (0.3.3) unstable; urgency=medium > > * osmo_dia2gsup: add get_env/2 for convenience > * osmo_dia2gsup: add and use parse_addr/1 > * osmo_dia2gsup: move env parsing and logging to listen/1 > * osmo_dia2gsup: disable Nagle for TCP/SCTP by default > * osmo_dia2gsup: set sndbuf/recbuf explicitly for SCTP > * rebar.config: relx: fix wrong sys_config, drop vm_args > * rebar.config: relx: use semver instead of long git hash > > -- Vadim Yanitskiy <vyanitskiy(a)sysmocom.de> Fri, 25 Apr 2025 03:04:10 +0700 -- - Oliver Smith <osmith(a)sysmocom.de> https://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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osmo-remsim 1.1.1 released
by Oliver Smith 09 Apr '25

09 Apr '25

Hi all, we've released osmo-remsim 1.1.1. The changelog over 1.1.0 is as follows: > osmo-remsim (1.1.1) unstable; urgency=medium > > * src/client/user_shell: add missing \n > * src/rspro_client_fsm: fix osmo_stream_cli_destroy > > -- Oliver Smith <osmith(a)sysmocom.de> Tue, 08 Apr 2025 08:05:08 +0200 -- - Oliver Smith <osmith(a)sysmocom.de> https://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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osmo-hlr 1.9.1, osmo_dia2gsup 0.3.1 and 0.3.2 released
by Oliver Smith 03 Apr '25

03 Apr '25

Hi all, we have made patch releases of osmo-hlr and osmo_dia2gsup. The changelogs are as follows: osmo-hlr: > osmo-hlr (1.9.1) unstable; urgency=medium > > [ Pau Espin Pedrol ] > * Drop use of deprecated vty is_config_node() cb > > [ Oliver Smith ] > * db: flush after changing schema version > > -- Oliver Smith <osmith(a)sysmocom.de> Wed, 02 Apr 2025 15:12:35 +0200 osmo_dia2gsup: > osmo-diameter2gsup (0.3.2) unstable; urgency=medium > > [ Vadim Yanitskiy ] > * gsup_client: disable gen_server event tracing > > -- Oliver Smith <osmith(a)sysmocom.de> Tue, 01 Apr 2025 17:21:03 +0200 > > osmo-diameter2gsup (0.3.1) unstable; urgency=medium > > * examples/*.config: change diameter_ip to 127.0.0.8 > > -- Oliver Smith <osmith(a)sysmocom.de> Thu, 27 Mar 2025 10:00:00 +0100 -- - Oliver Smith <osmith(a)sysmocom.de> https://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Siemensstr. 26a * 10551 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte

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