History: 1959 act added provisions re districts; 1969 act substituted “shall” for “may” thereby requiring that recommendation for most desirable land uses and population density be included in development plan, but did leave optional the inclusion of other recommendations re streets, bridges etc. and further clarified contents of plan re economic development, schedules, budgets, various codes and regulations and community needed and deleted requirement that report be filed annually; 1971 act changed public hearing notice requirements from publication at least seven days before hearing to publication “twice at intervals of not less than two days, the first not more than fifteen days nor less than ten days, and the last not less than two days” before hearing; P.A. 78-314 allowed consideration of energy-efficient development, renewable forms of energy and energy conservation in development plan; P.A. 80-327 allowed consideration of water supplies and their protection in development plan; P.A. 85-279 made consideration of surface and ground drinking water supplies in preparation of the plan mandatory rather than discretionary; P.A. 88-13 allowed consideration of affordable housing and open space acquisition in the plan of development and required that the plan of development be reviewed and updated at least once every 10 years; P.A. 91-392 added provisions re development of housing opportunities and promotion of housing choice and economic diversity in housing; P.A. 91-395 designated existing provisions as Subsec. (a) and amended them to require that municipal plans take into account the state plan and that plans adopted under this section be reviewed for consistency with the state plan of development and added Subsec. (b) requiring municipalities to consider use of