- Support #847: Cauchy Green and invariants are now independent objects outside of Hyperelastic operator. - Support #846: Update the version of the Perl script that counts the number of lines; put it in Sources/ThirdParty folder to make its origin crystal clear. - Bug #844: Fix gcc compilation errors. - Support #843: Refactor CauchyGreen tensor for SecondPiolaKirchhoffStressTensor operator. - Feature #841: Introduce a Solid class which encompass all the solid-related parameters. Consistency between them is now thoroughly checked. - Support #840: SVenantKirchhoff: rewrite it so that input parameters are directly Lame parameters. - Support #839: Tone down the use of Yuni library in HappyHeart. - Documentation #832: Clarify in Parameter::Policy::OpsFunction the meaning of second template parameter.