do not specify versions of pinned packages?

I thought I would do the ridiculously slow solver a favor.. but conda is just full of bugs

Author: jpfeuffer

recipes/openms-meta/meta.yaml

@@ -25,18 +25,18 @@ requirements:
       - automake
     host:
       - llvm-openmp # [osx]
-      - zlib >=1.2
+      - zlib
       - libtool
-      - xerces-c >=3.2
-      - boost-cpp >=1.60
+      - xerces-c
+      - boost-cpp
       - eigen >=3.3.2
-      - glpk >=4.45
+      - glpk
       - hdf5 >=1.10
-      - bzip2 >=1.0
-      - qt >=5.5
-      - libsvm >=3.21
-      - coinmp >=1.8
-      - sqlite >=3.30
+      - bzip2
+      - qt
+      - libsvm
+      - coinmp
+      - sqlite
 
 test:
   commands:
@@ -55,18 +55,18 @@ outputs:
           - cmake
         host:
           - llvm-openmp # [osx]
-          - zlib >=1.2
+          - zlib
           - libtool
-          - xerces-c >=3.2
-          - boost-cpp >=1.60
+          - xerces-c
+          - boost-cpp
           - eigen >=3.3.2
-          - glpk >=4.45
+          - glpk
           - hdf5 >=1.10
-          - bzip2 >=1.0
-          - qt >=5.5
-          - libsvm >=3.21
-          - coinmp >=1.8
-          - sqlite >=3.30     
+          - bzip2
+          - qt
+          - libsvm
+          - coinmp
+          - sqlite
     build:
       run_exports:
           - {{ pin_compatible('llvm-openmp', max_pin='x.x') }} # [osx]
@@ -97,18 +97,18 @@ outputs:
       # so specify everything again, such that EXACTLY the same versions are used!
       # I could not get the "resolved_packages" jinja function to gather dependencies from other subpackages.
         - llvm-openmp # [osx]
-        - zlib >=1.2
+        - zlib
         - libtool
-        - xerces-c >=3.2
-        - boost-cpp >=1.60
+        - xerces-c
+        - boost-cpp
         - eigen >=3.3.2
-        - glpk >=4.45
+        - glpk
         - hdf5 >=1.10
-        - bzip2 >=1.0
-        - qt >=5.5
-        - libsvm >=3.21
-        - coinmp >=1.8
-        - sqlite >=3.30        
+        - bzip2
+        - qt
+        - libsvm
+        - coinmp
+        - sqlite
       run:
         - {{ pin_subpackage('libopenms', exact=True) }}
         - {{ pin_compatible('llvm-openmp', max_pin='x.x') }} # [osx]