Merge pull request EESSI#776 from TopRichard/EESSI-happy-hour-June-2026

upcoming EESSI Happy hour sessions June 2026

Author: boegel

docs/training-events/happy-hours-sessions.md

@@ -31,20 +31,20 @@ If you haven't joined the EESSI Slack yet, [click here to join]({{ config.extra.
 
 ---
 
-!!! note "Schedule update! :rotating_light:"  
-    [Mondays between **April–June 2026** will be dedicated to the **EESSI webinar series**.](https://www.eessi.io/docs/training-events/2026/webinar-series-2026Q2/)
-
-<p align="center">
-  <img width="40%" src="../../img/logos/EESSI_Webinar_2026_qrcode.png" alt="EESSI Webinar 2026">
-</p>
-
-### 💡 **Next session**: TBD 
-### Topic Series: TBD 
+### 💡 **Next session**: Site-Specific Tweaks with `host_injections`
+### Topic Series: EESSI Mix and Match 
 🗓️ Schedule
 #### Monday 8 June 2026, 14:00-15:00 CE(S)T
 
 ---
 
+### Upcoming sessions:
+- 15 June 2026 - AMD ROCm support in EESSI
+- 22 June 2026 - revisit the EESSI bot 🤖  
+- 29 June 2026 - Report on EESSI activities @ ISC'26
+
+---
+
 ### Previous EESSI Happy Hour sessions
 
 [**YouTube playlist with recordings**](https://www.youtube.com/playlist?list=PL6_PkP_6pUtbzPBB1wZTdsrJgj6EbO-AS)