In The Unicode Standard, Buginese script implementation is discussed in  Chapter 17 Indonesia and Oceania.

The Buginese script was encoded in The Unicode Standard version 4.1. The script is encoded in the following block:

BlocksCharacter RangeAdded in Unicode VersionUnicode Chart
Buginese 1A00..1A1F 4.1  U1A00.pdf

A number of proposals for its inclusion were submitted to the Unicode Technical Committee and WG2:

1992-11-25 Buginese — Rick McGowan ( Unicode Technical Report #3 R2)

1997-12-08 Proposal to encode Buginese in ISO/IEC 10646 — Michael Everson ( WG2 N1657.htm, L2/98-021 (not online))

1998-11-24 Revised proposal for encoding the Buginese script in the UCS — Michael Everson ( WG2 N1930,  L2/99-011)

2003-06-09 Final proposal for encoding the Buginese script in the UCS — Michael Everson ( WG2 N2588,  L2/03-191)

2003-08-13 Lepcha, Limbu, Syloti, Saurashtra, Tai Le and Bugis Proposals — Daniel Kai ( L2/03-253)

2003-08-13 Introduction to the Bugis Script — Daniel Kai ( L2/03-254)

2003-10-05 Revised final proposal for encoding the Lontara (Buginese) script in the UCS — Michael Everson ( WG2 N2633,  L2/03-320)

2011-03-03 Indonesian and Philippine Scripts and extensions not yet encoded or proposed for encoding in Unicode — Christopher Miller ( L2/11-091)

2012-10-29 Buginese Issues — Andrew Glass ( L2/12-341)

2016-04-28 Proposal to encode VIRAMA signs for Buginese — Anshuman Pandey ( L2/16-075)

Recommendations to UTC #147 May 2016 on Script Proposals — Deborah Anderson, Ken Whistler, Roozbeh Pournader, Andrew Glass, Laurentiu Iancu ( L2/16-156) (See section 12 for recommendations)

UTC #147 Minutes ( L2/16-121) (See D.5 for decision and action items)

2016-04-28 Representing Lota Ende in Unicode — Anshuman Pandey ( L2/16-076)

Recommendations to UTC #148 August 2016 on Script Proposals — Deborah Anderson, Ken Whistler, Rick McGowan, Roozbeh Pournader, Andrew Glass, Laurentiu Iancu, and Lisa Moore ( L2/16-216) (See section 11c for recommendations)

2016-04-29 Representing Sumbawa in Unicode — Anshuman Pandey ( L2/16-096)

Recommendations to UTC #148 August 2016 on Script Proposals — Deborah Anderson, Ken Whistler, Rick McGowan, Roozbeh Pournader, Andrew Glass, Laurentiu Iancu, and Lisa Moore ( L2/16-216) (See section 11a for recommendations)

2016-05-03 Representing Bima in Unicode — Anshuman Pandey ( L2/16-119)

Recommendations to UTC #148 August 2016 on Script Proposals — Deborah Anderson, Ken Whistler, Rick McGowan, Roozbeh Pournader, Andrew Glass, Laurentiu Iancu, and Lisa Moore ( L2/16-216) (See section 11b for recommendations)

2016-05-09 Preliminary proposal to encode ‘Buginese Extensions’ in Unicode — Anshuman Pandey ( L2/16-159)

Recommendations to UTC #148 August 2016 on Script Proposals — Deborah Anderson, Ken Whistler, Rick McGowan, Roozbeh Pournader, Andrew Glass, Laurentiu Iancu, and Lisa Moore ( L2/16-216) (See section 11d for recommendations)