| 版本 | 最终码位[a] | 码位数 | L2 ID | WG2 ID | 文档 | 
| 3.0 | U+0D82..0D83, 0D85..0D96, 0D9A..0DB1, 0DB3..0DBB, 0DBD, 0DC0..0DC6, 0DCA, 0DCF..0DD4, 0DD6, 0DD8..0DDF, 0DF2..0DF4 | 80 | L2/97-019 | N1480 | Ginige, S. L., Request to add Sinhalese to 10646 based on recent Sinhalese Standard (SLS 1134-1996), 1996-11-15 | 
| L2/97-019.1 |  | Sri Lanka standard Sinhala character code for information interchange | 
| L2/97-018 | N1473R (页面存档备份,存于互联网档案馆) | Everson, Michael, Proposal for encoding the Sinhala script in ISO/IEC 10646 (revision 1), 1997-03-01 | 
|  | N1532 | Ross, Hugh McGregor, Comment on Sri Lanka Proposal for Sinhala Script, 1997-03-07 | 
| L2/97-030 | N1503 (pdf, doc (页面存档备份,存于互联网档案馆)) | Umamaheswaran, V. S.; Ksar, Mike, 8.6, Unconfirmed Minutes of WG 2 Meeting #32, Singapore; 1997-01-20--24, 1997-04-01 | 
| L2/97-145 | N1589 | Everson, Michael, Mapping of Sinhala between ISO/IEC 10646 and SLS 1134, 1997-06-13 | 
|  | N1585 | Disanayaka, J. B., Towards Standard Sinhala Character Code, 1997-06-25 | 
|  | N1584 | Adams, Glenn, Feedback on Sinhala Script Proposals (N1480, N 1473R, etc.), 1997-06-30 | 
| L2/97-158 | N1613 | Report of ad-hoc group on Sinhala encoding, 1997-07-02 | 
| L2/97-288 | N1603 (页面存档备份,存于互联网档案馆) | Umamaheswaran, V. S., 8.7, Unconfirmed Meeting Minutes, WG 2 Meeting # 33, Heraklion, Crete, Greece, 20 June – 4 July 1997, 1997-10-24 | 
| L2/98-319 | N1896 (页面存档备份,存于互联网档案馆) | Revised text of 10646-1/FPDAM 21, AMENDMENT 21: Sinhala, 1998-10-22 | 
| L2/99-010 | N1903 (pdf, html (页面存档备份,存于互联网档案馆), doc (页面存档备份,存于互联网档案馆)) | Umamaheswaran, V. S., Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25, 1998-12-30 | 
| L2/10-164 |  | Dias, Gihan, Sinhala Named Sequences, 2010-05-05 | 
| L2/10-108 |  | Moore, Lisa, Consensus 123-C32, UTC #123 / L2 #220 Minutes, 2010-05-19, Accept three Sinhala named sequences as provisional in Unicode 6.0... | 
|  | N3903 (pdf, doc (页面存档备份,存于互联网档案馆)) | M57.09 (Named USIs for Sinhala), Unconfirmed minutes of WG2 meeting 57, 2011-03-31 | 
| 7.0 | U+0DE6..0DEF | 10 | L2/07-268 | N3253 (pdf, doc (页面存档备份,存于互联网档案馆)) | Umamaheswaran, V. S., M50.28, Unconfirmed minutes of WG 2 meeting 50, Frankfurt-am-Main, Germany; 2007-04-24/27, 2007-07-26 | 
| L2/08-007 |  | Inclusion of archaic Sinhala numerals in the Sinhala character code range, 2008-01-07 | 
| L2/08-068 |  | Dias, Gihan, Archaic Sinhala Numerals, 2008-01-28 | 
| L2/08-105 |  | Observations on the Encoding of Archaic Sinhala Numerals in Unicode/UCS, 2008-02-05 | 
| L2/08-003 |  | Moore, Lisa, Archaic Sinhala Numerals, UTC #114 Minutes, 2008-02-14 | 
| L2/10-165 |  | Dias, Gihan, Preliminary Proposal to Encode Sinhala Digits and Numerals, 2010-05-03 | 
| L2/10-312 |  | Dias, Gihan, Proposal to Encode Sinhala Archaic Numerals and Numbers, 2010-08-10 | 
| L2/10-337 | N3888 (页面存档备份,存于互联网档案馆) | Proposal to include Sinhala Numerals to the BMP and SMP of the UCS, 2010-08-19 | 
|  | N3888-A | Senaweera, L. N., Sri Lanka's proposal on Sinhala Numerals for inclusion in Information Technology - Universal Multiple Octet Coded Character Set, ISO/IEC 10646 : 2003, 2010-09-10 | 
|  | N3888-B | Unicode Character Properties of Sinhala Lith Illakkam (Sinhala Astrological Digits) and Sinhala Illakkam or Sinhala Archaic Numbers | 
| L2/10-433 |  | Wijayawardhana, Harsha;  et al, RE: Background information on the use of Sinhala Numerals (L2/10-337), 2010-10-23 | 
| L2/10-416R |  | Moore, Lisa, Sinhala Numerals, UTC #125 / L2 #222 Minutes, 2010-11-09 | 
|  | N3903 (pdf, doc (页面存档备份,存于互联网档案馆)) | M57.14, Unconfirmed minutes of WG2 meeting 57, 2011-03-31 | 
| 13.0 | U+0D81 | 1 | L2/18-060 | N4964 (页面存档备份,存于互联网档案馆) | A, Srinidhi; A, Sridatta, Proposal to encode the CANDRABINDU for Sinhala, 2018-02-05 | 
| L2/18-079 |  | Anderson, Deborah, Feedback on Sinhala candrabindu (L2/18-060), 2018-03-21 | 
| L2/18-168 |  | Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Liang, Hai; Chapman, Chris; Cook, Richard, 10. Sinhala, Recommendations to UTC #155 April-May 2018 on Script Proposals, 2018-04-28 | 
| L2/18-115 |  | Moore, Lisa, D.4.1, UTC #155 Minutes, 2018-05-09 | 
| L2/18-183 |  | Moore, Lisa, B.1.3.1.1.1, UTC #156 Minutes, 2018-11-20 | 
|  | N5020 (pdf, doc (页面存档备份,存于互联网档案馆)) | Umamaheswaran, V. S., 10.3.14, Unconfirmed minutes of WG 2 meeting 67, 2019-01-11 | 
| L2/20-052 |  | Pournader, Roozbeh, Changes to Identifier_Type of some Unicode 13.0 characters, 2020-01-15 | 
| L2/20-015R |  | Moore, Lisa, B.13.4 Changes to Identifier_Type of some Unicode 13.0 characters, Draft Minutes of UTC Meeting 162, 2020-05-14 | 
|  |