Merge branch 'v2.10'

Author: carlocamilloni

CHANGES/v2.10.md

@@ -81,7 +81,7 @@ __New contributed modules:__
   - Complete refactor of SwitchingFunction.cpp and SwitchingFunction.h, now adding new switching function is more straightforward and all the "book-keeping" can be done within a single class
   - Python (cython) wrappers now use `nogil`. This should facilitate integration with Python. See https://github.com/plumed/plumed2/pull/1129#issuecomment-2410867829 (thanks to Guillaume Fraux).
 
-## Version 2.10.1 (coming)
+## Version 2.10.1 (Jul 1, 2026)
   - All fixes as in 2.9.5
   - Fixed a pointer in GROMACS patch
   - Fixed issue in the [PLANE](PLANE.md) command

CHANGES/v2.9.md

@@ -83,7 +83,7 @@ __New Patches:__
   - Small fixes to documentation.
   - Code reformatting, to maintain mergeability with v2.10, see [here](https://github.com/plumed/plumed2/issues/1157).
 
-## Version 2.9.5 (coming)
+## Version 2.9.5 (Jul 1, 2026)
   - Fixed bug in derivatives of COSINUS switching function, see [here](https://github.com/plumed/plumed2/issues/1317).
   - Searching with bisection instead of linearly in the neigbourlist speeding up all CVs using NL.
   - Added FMT keyword in \ref METAINFERENCE