There is a chance that in future versions the issue will be fixed upstream, but some backward incompatible changes may occur. The upcoming patch will introduce both user_env and user_conf files, but disables them by default. Currently available version 1.1.4 still reads .pam_environment as conf file.
You may be interrested in discussion in upstream mailing list /fedorahosted. org/pipermail/ pam-developers/ 2011-June/ 000075. html.
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There is a chance that in future versions the issue will be fixed upstream, but some backward incompatible changes may occur. The upcoming patch will introduce both user_env and user_conf files, but disables them by default. Currently available version 1.1.4 still reads .pam_environment as conf file.