The following Unicode-related documents record the purpose and process of defining specific characters in the Combining Diacritical Marks Extended block:
Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Liang, Hai (2020-01-10), "1a. Extended IPA", Recommendations to UTC #162 January 2020 on Script Proposals
Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Constable, Peter; Liang, Hai (2020-04-20), "1a. Extended IPA and VoQS", Recommendations to UTC #163 April 2020 on Script Proposals
Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Constable, Peter; Liang, Hai (2020-07-21), "3b. Expansion of the extIPA and VoQS", Recommendations to UTC #164 July 2020 on Script Proposals
Anderson, Deborah (2020-12-07), Reference doc numbers for L2/20-266R "Consolidated code chart of proposed phonetic characters" and IPA etc. code point and name changes
Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Liang, Hai (2021-01-14), "3g. Phonetic Punctuation and Diacritics", Recommendations to UTC #166 January 2021 on Script Proposals
Moore, Lisa (2021-05-05), "Consensus 167-C12", UTC #167 Minutes, For Unicode version 14.0, reassign six code points U+1AC9..1ACE as noted in L2/21-069 item PRI428a.
Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Constable, Peter; Liang, Hai (2020-07-21), "3e. Harrington diacritic", Recommendations to UTC #164 July 2020 on Script Proposals
Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Liang, Hai (2021-01-14), "3l. Ten Characters for Middle English (Ormulum)", Recommendations to UTC #166 January 2021 on Script Proposals
Moore, Lisa (2021-05-05), "Consensus 167-C12", UTC #167 Minutes, For Unicode version 14.0, reassign six code points U+1AC9..1ACE as noted in L2/21-069 item PRI428a.
Anderson, Deborah; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2023-07-21), "18 Combining mark", Recommendations to UTC #176 July 2023 on Script Proposals
Anderson, Deborah; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2023-07-21), "7 Compound Tone Diacritics", Recommendations to UTC #176 July 2023 on Script Proposals
Anderson, Deborah; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2023-11-01), "9 Compound Tone Diacritics II", Recommendations to UTC #177 November 2023 on Script Proposals
Anderson, Deborah; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2023-11-01), "10 Harrington Diacritics", Recommendations to UTC #177 November 2023 on Script Proposals
Constable, Peter (2024-04-29), "Consensus 179-C62", UTC #179 Minutes, Approve the name change for provisionally assigned character U+1ADC COMBINING FALLING DIAGONAL DIAERESIS to COMBINING DIAERESIS WITH RAISED LEFT DOT
Anderson, Deborah; Goregaokar, Manish; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2024-04-18), "14. IPA diacritics above and one below", Recommendations to UTC #179 April 2024 on Script Proposals