The Royal Court about the receptions for organizations:
On 13 and 14 September receptions were given for the King on the occasion of the 50th anniversary. The well-wishers were received in Princess Sibylla's floor.
Some of those who greeted the King were:
Royal Swedish Academy of Sciences
Swedish National Archives
The Security Service
The Governors of Sweden
The Armed Forces
Fundraising for the Young Leadership Foundation
On September 14, the King also gave receptions in Lovisa Ulrika's dining room for representatives of business and the Scouts, which collected funds for the Young Leadership Foundation and for the establishment of a professorship in Young Leadership at the Stockholm School of Economics.
Organisationer uppvaktade Kungen inför 50-års_jubileet _ Kungahuset
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Before the evening's Jubilee dinner, the King and Queen were photographed with the guests of honor from Denmark, Finland, Iceland and Norway. The photographs were taken in the Bernadotte gallery at the Royal Palace.
Officiella porträtt av jubileumsgästerna _ Kungahuset
The HQ versions of the photos can be loaded at the "Jubilee 2023" section at court's media centre:
https://pressbilder.kungahuset.se/portals/search?filtersStateId=14
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On the evening of September 15, a Jubilee banquet was held in the Hall of State at the Royal Palace on the occasion of the King's 50th anniversary on the throne.
The King brought the Queen of Denmark to the table. On his left side the King had the Queen of Norway.
The Queen was brought to the table by the King of Norway and had on her right the President of Finland.
The Crown Princess was brought to the table by Prime Minister Ulf Kristersson and had the President of Iceland on her right.
Prince Daniel brought the Crown Princess of Denmark to the table. On his left, Prince Daniel had Queen Anne-Marie.
Prince Carl Philip brought Mayor Karin Wanngård to the table. On his left, Prince Carl Philip had Princess Christina Mrs Magnuson.
Princess Sofia was brought to the table by Count Michael Bernadotte of Wisborg and had on her right hand First Deputy Speaker Kenneth G Forslund.
Princess Madeleine was brought to the table by The Minister for Foreign Affairs Tobias Billström and had on her right the chairman Jacob Wallenberg.
Mr. Christopher O'Neill brought Countess Jill Bernadotte of Wisborg to the table. On his left Christopher O'Neill had Denmark's ambassador Kristina Miskowiak Beckvard.
Jubileumsbankett på Kungl.*Slottet _ Kungahuset
The guest list
Daniel and Sofia's parents and Chris's mother were invited only to Thursday's Royal Opera performance, not to this Jubilee Banquet.
https://www.kungahuset.se/4.95d2b4518a88375fcd19a0b.html
The king was showered with praise at the evening's gala dinner. Crown Princess Victoria's speech to her father brought tears to the Queen's eyes.
Kronprinsessans tal till kungen vid tronjubileet
Princess Madeleine looked noticeably touched during Crown Princess Victoria's emotional speech to the King.
Many looked noticeably touched during the fantastically fine speech. Princess Madeleine was one of several who struggled to hold back tears, while Queen Silvia appeared to wipe away a tear.
Madeleine håller tillbaka tårarna – under storasyster Victorias tal till kungen _*Svensk Dam
Silvia kan inte hålla tillbaka tårarna – gråter helt öppet _*Svensk Dam
Victoria's warm tribute
Victorias varma hyllning till kungen TV4
Victoria had the hairpins of the Leuchtenberg Sapphires at her hairdo. So far I haven't found any photos where they could be seen. They were seen at the videos:
https://i.postimg.cc/d3BfTffg/AA.jpg