Canonical Atlas record

TR 21.900

Technical Specification Group working methods

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Responsible WGSP

StatusUnder change control

Initial releaseRel-4

Selected releaseRel-16

Latest indexed version20.0.0

Series21

TypeTR

Release evolution

Compare evidence between releases

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.

Release ledger

Version · WI · CR evidence by release

Rel-44.1.00 WI1 CR · 1 approved

Rel-55.1.00 WI1 CR · 1 approved

Rel-66.4.01 WI13 CRs · 6 approved

Rel-77.3.01 WI10 CRs · 6 approved

Rel-88.4.01 WI19 CRs · 6 approved

Rel-99.1.01 WI5 CRs · 1 approved

Rel-1010.1.01 WI1 CR · 1 approved

Rel-1111.2.01 WI4 CRs · 4 approved

Rel-1212.1.01 WI1 CR · 1 approved

Rel-1313.2.01 WI6 CRs · 2 approved

Rel-1414.2.01 WI5 CRs · 2 approved

Rel-1515.2.01 WI2 CRs · 2 approved

Rel-1616.4.01 WI23 CRs · 7 approved

Rel-1717.2.01 WI6 CRs · 4 approved

Rel-1818.2.01 WI9 CRs · 4 approved

Rel-1919.1.01 WI4 CRs · 2 approved

Rel-2020.0.01 WI5 CRs · 1 approved

R99no version indexed1 WI15 CRs · 13 approved

Release 19993.7.00 WI0 CRs

Rel-16 snapshot

Work affecting this release

23 indexed Change Requests · 1 connected Work Item.

Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0060 — Relaxation of mini-WID requirement for B/C TEIs

CR 0061 — Update of the TS version number in the OpenAPI 'externalDocs' object

CR 0063 — OpenAPI specification file storage

CR 0064 — CR to TR 21.900 on Relaxation of mini-WID requirement for Cat.B/C TEI CRs

CR 0049 rev.1 — Alignment for alignment CRs

CR 0049 rev.2 — Alignment for alignment CRs

CR 0049 rev.3 — Alignment for alignment CRs

CR 0049 rev.5 — Alignment for alignment CRs

CR 0057 rev.2 — Update of procedures relating to work items

CR 0057 rev.3 — Update of procedures relating to work items

CR 0057 rev.4 — Update of procedures relating to work items

CR 0057 rev.5 — Update of procedures relating to work items

Version history

Indexed versions

Showing 60 of 66 indexed versions.

20.0.0Rel-20SA#1102026-01-13

19.1.0Rel-19SA#1082025-06-18

19.0.0Rel-19SA#1072025-03-20

18.2.0Rel-18SA#1032024-03-27

18.1.0Rel-18SA#1012023-09-20

18.0.1Rel-18SA#97-e2022-09-20

18.0.0Rel-18SA#962022-06-16

17.2.0Rel-17SA#962022-06-16

17.1.0Rel-17SA#92-e2021-06-22

17.0.0Rel-17SA#91-e2021-03-30

16.4.0Rel-16SA#91-e2021-03-30

16.3.0Rel-16SA#87-E2020-03-31

16.2.0Rel-16SA#852019-09-24

16.1.0Rel-16SA#832019-03-29

16.0.0Rel-16SA#822018-12-19

15.2.0Rel-15SA#822018-12-19

15.1.1Rel-15SA#812018-10-22

15.1.0Rel-15SA#812018-09-19

14.2.0Rel-14SA#812018-09-19

15.0.0Rel-15SA#802018-06-20

14.1.0Rel-14SA#802018-06-18

13.2.0Rel-13SA#762017-06-15

14.0.0Rel-14SA#752017-03-15

13.1.0Rel-13SA#742017-01-10

12.1.0Rel-12SA#712016-03-18

11.2.0Rel-11SA#712016-03-18

13.0.1Rel-13SA#702015-12-17

13.0.0Rel-13SA#702015-12-17

12.0.0Rel-12SA#652014-09-24

11.1.0Rel-11SA#652014-09-24

11.0.1Rel-11SA#602013-06-24

11.0.0Rel-11SA#542011-12-16

10.1.0Rel-10SA#542011-12-16

9.1.0Rel-9SA#522011-06-09

10.0.0Rel-10SA#512011-04-04

8.4.0Rel-8SA#472010-04-12

9.0.0Rel-9SA#462009-12-18

8.3.0Rel-8SA#422008-12-17

8.2.0Rel-8SA#392008-03-26

8.1.1Rel-8SA#382008-01-07

8.1.0Rel-8SA#382007-12-18

8.0.0Rel-8SA#372007-10-02

7.3.0Rel-7SA#372007-10-02

7.2.0Rel-7SA#322006-06-15

7.1.0Rel-7SA#292005-10-11

7.0.1Rel-7SA#272005-06-23

7.0.0Rel-7SA#262005-01-04

6.4.0Rel-6SA#262005-01-04

6.3.0Rel-6SA#252004-09-29

6.2.0Rel-6SA#242004-06-24

6.1.1Rel-6SA#232004-04-02

6.1.0Rel-6SA#222004-01-14

5.1.0Rel-5SA#222004-01-14

4.1.0Rel-4SA#222004-01-14

3.7.0Release 1999SA#222004-01-14

6.0.0Rel-6SA#212003-09-26

5.0.1Rel-5SA-#172002-09-18

5.0.0Rel-5SA-#162002-06-24

4.0.0Rel-4SA-#112001-04-11

3.6.0Release 1999SA-#112001-04-11

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TR 21.900

TEI6

(Small) Technical Enhancements and Improvements for Rel-6

Rel-6parsed

TEI7

(Small) Technical Enhancements and Improvements for Rel-7

Rel-7parsed

TEI8

(Small) Technical Enhancements and Improvements for Rel-8

Rel-8parsed

TEI9

(Small) Technical Enhancements and Improvements for Rel-9

Rel-9parsed

TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed

TEI11

(Small) Technical Enhancements and Improvements for Rel-11

Rel-11parsed

TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed

TEI13

(Small) Technical Enhancements and Improvements for Rel-13

Rel-13parsed

TEI14

(Small) Technical Enhancements and Improvements for Rel-14

Rel-14parsed

5GS_Ph1

5G System - Phase 1

Historical association · verification pending

Rel-15historical link

TEI16

(Small) Technical Enhancements and Improvements for Rel-16

Historical association · verification pending

Rel-16historical link

TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed

TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed

TEI19

(Small) Technical Enhancements and Improvements for Rel-19

Rel-19parsed

TEI20

(Small) Technical Enhancements and Improvements for Rel-20

Rel-20parsed

TEI

(Small) Technical Enhancements and Improvements for R99

R99parsed

Knowledge graph

Related standards

No graph edges indexed yet. The graph API is available at this JSON endpoint.