Release ledger
Version · WI · CR evidence by release
Release 19993.1.00 WI0 CRs
Canonical Atlas record
TS 25.421
UTRAN Iur interface layer 1
Responsible WGR3
StatusUnder change control
Initial releaseRel-4
Selected releaseRel-20
Latest indexed version19.0.0
Series25
TypeTS
Release evolution
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Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Rel-20 snapshot
Work affecting this release
0 indexed Change Requests · 0 connected Work Items.
Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →
Version history
Indexed versions
Showing 21 of 21 indexed versions.
19.0.0Rel-19SA#1092025-10-02
18.0.0Rel-18SA#1032024-04-03
17.0.0Rel-17SA#95-e2022-04-05
16.0.0Rel-16SA#88-e2020-07-16
15.0.0Rel-15SA#802018-07-02
14.0.0Rel-14RAN#752017-03-24
13.0.0Rel-13SA#702015-12-18
12.0.0Rel-12SA#652014-09-22
11.0.0Rel-11SA#572012-09-24
10.1.0Rel-10RAN#522011-06-24
9.0.1Rel-9RAN#512011-04-05
10.0.0Rel-10SA#512011-04-05
9.0.0Rel-9SA#462009-12-18
8.0.0Rel-8SA#422009-01-02
7.0.0Rel-7RAN#312006-03-24
6.0.0Rel-6RAN#222004-01-13
5.0.0Rel-5T#152002-03-25
4.0.0Rel-4RAN-#112001-04-06
3.1.0Release 1999RAN-#112001-04-06
3.0.0Release 1999RAN-#41999-06-23
0.0.0Release 1999RAN-#31999-04-23
Atlas classifications
Meaning and provenance
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Work Items
Standards work connected to TS 25.421
TEI5
Rel-5parsed(Small) Technical Enhancements and Improvements for Rel-5
TEI10
Rel-10parsed(Small) Technical Enhancements and Improvements for Rel-10
Knowledge graph
Related standards
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