ChangeLog:

	* Meetings-in-2023.md:

Meetings-in-2023.md

@@ -12,14 +12,14 @@
 |   03 Mai   | Matthias K.        | open discussion |
 |   17 Mai   | Matteo A.          | (Ab)use of Mixin and CRTP |
 |   31 Mai   |                    | bicycle ride + meet at Kalkofen |
-|   14 Jun   |                    |  |
-|   28 Jun   |                    |  |
-|   12 Jul   |                    |  |
+|   14 Jun   | Ralph S.           | Video Lecture "The Only Unbreakable Law" by Casey Muratori |
+|   28 Jun   | Matthias K.        | open discussion |
+|   12 Jul   | Ralph S.           | Coding Style, Conventions and Formatting |
 | ~~26 Jul~~ | _Sommerferien_     | ---- |
 | ~~09 Aug~~ | _Sommerferien_     | ---- |
 | ~~23 Aug~~ | _Sommerferien_     | ---- |
 |   06 Sep   |                    |  |
-|   20 Sep   |                    |  |
+|   20 Sep   | Matthias K.        | tentative: CppCon 2023 Talk Rehearsal |
 |   04 Okt   |                    |  |
 |   18 Okt   |                    |  |
 |   01 Nov   |                    |  |